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ate Production". Located on the rural Palouse, the university is represented in intercollegiate athletics by the Idaho Vandals, who compete in NCAA Division I, primarily in the Big Sky Conference.

The Administration Building, with its eighty-foot (24 m) clock tower and Collegiate Gothic-style structure, was built from 1907 to 1909 and has become an icon of the university. The building holds classrooms, an auditorium, and administrative offices, including the offices of the President and Provost. Multiple expansions were made, with the north wing added in 1912, the eastern portion of the south wing in 1916 (extended west in 1936 for the library), and the functional annex in 1950, incorporated into the Albertson addition of 2002. The U of I library was housed in the Administration Building until 1957, when the Library building opened, constructed on the former site of tennis courts. The College of Law occupied the south wing until its building (Menard) opened in 1973. The original Administration Building, with a single tall spire reaching to 163 feet (50 m), was constructed through the decade of the 1890s and ultimately finished in 1899. It burned in 1906. In the meantime, classes were held at various sites in Moscow. The new Administration Building was designed by John E.

Idaho Student Union Building The Idaho Student Union Building (ISUB), completed in 2000 as the Commons, is the heart of campus and contains a food court, copy center, bagel and coffee shop (Einstein's Bagels), credit union, and convenience store.

, coined the name "Treasure Valley" in 1959 to reflect the treasure chest of resources and opportunities that the region offered. The valley has a very diverse terrain, from sage flatlands, to mesas, agricultural areas, and urbanized areas. As the Boise Metropolitan Area grows, more and more undeveloped and agricultural land is being urbanized. History Settling the region The tribes that roamed the area, specifically, were the Northern Paiute and Shoshone. In 1834, Thomas McKay built the original Fort Boise, in the area near present-day Parma, which was run for a time by Francois Payette. It later was moved because of flooding troubles and was abandoned in 1854. The Oregon Trail runs through the Treasure Valley. The valley was settled for the most part by ranchers and farmers, initially to supply the gold and silver mining communities in the higher elevations nearby: Idaho City in the Boise Basin and Silver City in the Owyhees. A new Fort Boise was constructed by the U.S. Army in 1863 in present-day Boise, from which the city grew.

ern Oregon to Boise, and is the most populated area in Idaho. Historically, the valley had been known as the Lower Snake River Valley or the Boise River Valley. Pete Olesen, president of the valley's association of local Chambers of Commerce, coined the name "Treasure Valley" in 1959 to reflect the treasure chest of resources and opportunities that the region offered. The valley has a very diverse terrain, from sage flatlands, to mesas, agricultural areas, and urbanized areas.

The Treasure Valley is a valley in the western United States, primarily in southwestern Idaho, where the Payette, Boise, Weiser, Malheur, and Owyhee rivers drain into the Snake River. It includes all the lowland areas from Vale in rural eastern Oregon to Boise, and is the most populated area in Idaho. Historically, the valley had been known as the Lower Snake River Valley or the Boise River Valley. Pete Olesen, president of the valley's association of local Chambers of Commerce, coined the name "Treasure Valley" in 1959 to reflect the treasure chest of resources and opportunities that the region offered. The valley has a very diverse terrain, from sage flatlands, to mesas, agricultural areas, and urbanized areas.

, Arts & Sciences, and Education; MPA program in the School of Public Service; and the MPH program in the College of Health Sciences. It is classified among "R2: Doctoral Universities – High research activity".

The university also has an honors college. Within the College of Arts and Sciences is the School of the Environment, approved by the Idaho State Board of Education in 2022 and established in 2023. Boise State's fall enrollment in 2016 was 23,886 students, and approximately 76 percent of these students were Idaho residents. More than 90 percent of Boise State's first-year students come directly from high school. In the 2015–16 school year, Boise State awarded diplomas to 3,916 distinct graduates, including 18 doctorates, 10 education specialists, 670 master's and 2,998 bachelor's degrees. The university is classified among "R2: Doctoral Universities – High research spending and doctorate production".

Boise State University (BSU) is a public research university in Boise, Idaho, United States. Founded in 1932 by the Episcopal Church, it became an independent junior college in 1934 and has been awarding baccalaureate and master's degrees since 1965. It became a public institution in 1969. Boise State offers more than 100 graduate programs, including a variety of MBA programs and the MAcc program in the College of Business and Economics; master's and PhD programs in the Colleges of Engineering, Arts & Sciences, and Education; MPA program in the School of Public Service; and the MPH program in the College of Health Sciences. It is classified among "R2: Doctoral Universities – High research activity".

owman, Centerville, Placerville, Pioneerville, Star Ranch, Crouch, Garden Valley, and Horseshoe Bend. Boise County is part of the Boise metropolitan area. Despite the name, Boise itself is in nearby Ada County. The Bogus Basin ski area is in the southwestern part of the county.

History The county was established on February 4, 1864, with its county seat at Idaho City. It was named for the Boise River, which was named by French-Canadian explorers and trappers for the great variety of trees growing along its banks in the lower desert valley. The county is one of four Idaho counties that also existed under Washington Territory. On January 12, 1863, The Washington territorial legislature established the county containing most of Idaho below 114° 30', excluding the territory lying west of the Payette River. They established its county seat at what later became Idaho City. The Boise Basin, which contains Idaho City, was one of the nation's richest gold mining districts; gold was discovered in 1862, and more of it was pulled from present-day Boise County than from the entire state of Alaska. At its peak in the mid-1860s, Idaho City was the largest city in the Northwest, and it was this rapid population influx that led to the establishment of the Idaho Territory in 1863. The lower–elevation communities of Horseshoe Bend (Payette River) and Boise (Boise River) were staging areas for the Boise Basin mines. The county's boundaries changed several times during Idaho's territorial period. Owyhee County (Idaho's oldest) and a portion of Oneida County were carved from the southern and eastern portion of the county as it existed under Washington Territory in late December 1863 and January 1864. When Idaho Territory established the county in February 1864, it contained all of present Ada, Canyon, and Payette counties. It also included most of present Boise and Gem Counties, the southern half of Washington County, and small portions of Adams, Custer, Owyhee, and Valley counties. When Ada County was created in December 1864, most of that territory was transferred to Ada County, leaving only small portions of Custer, Gem, Payette, Valley, and Washington counties together with most of present-day Boise County. The Boise River portion of the current western boundary was established by 1866. The southern boundary common to present Ada County was defined the following year. The northern boundary was most volatile Between 1873 and 1887 with the boundary shifting further north into Valley County, back south below Cascade, and then again north to include the North Fork of Payette River Basin. The county obtained its current boundary after Gem County was created in 1915 and Valley County in 1918. In March 2011, the county filed a Chapter 9 bankruptcy petition due to judgment against the county for violating the Fair Housing Act.

Major highways SH-21 - Ponderosa Pine Scenic Byway SH-52 SH-55 - Payette River Scenic Byway The county's two primary routes are scenic byways. Both are two-lane undivided highways for most of their length. The Ponderosa Pine Scenic Byway on State Highway 21 climbs northeast from Boise to Idaho City and Lowman, and ends at Stanley in Custer County, at the junction with State Highway 75. The Payette River Scenic Byway on State Highway 55 is a designated national scenic byway. It heads north from Eagle to Horseshoe Bend and climbs the whitewater of the Payette River to Cascade and McCall in Valley County, and ends at New Meadows in Adams County, at the junction with US Route 95. The closest thing to a traffic signal in Boise County is a flashing red light for Highway 52 where it meets Highway 55, in Horseshoe Bend.

governmental organization responsible for state transportation infrastructure. This includes ongoing operations and maintenance as well as planning for future needs of the state and its citizens.

Overview Idaho's state transportation system consists of more than 12,200 miles (19,600 km) (lane miles) of roads, more than 1,800 bridges, approximately 1,630 miles (2,620 km) of rail lines, 126 public-use airports, and the Port of Lewiston. The agency is also responsible for 29 rest areas and 12 ports of entry. History The Idaho Legislature created the State Highway Commission 113 years ago in 1913. The group consisted of the Secretary of State, the State Engineer and three other members to be appointed by the governor.

plan, build and maintain new state highways alter, improve or discontinue any state highway purchase, condemn, or otherwise obtain necessary easements have general supervision of all highways within the state expend the fund created for the construction, maintenance and improvement of state highways maintain and improve state highways make and enforce rules employ a Chief Engineer and assistants supervise registration of vehicles keep a complete record of all activities and expenses In 1919, the Commission was abolished and its functions were transferred to a Bureau of Highways in the Department of Public Works. A property tax was enacted by the Legislature to fund roads for the state and bonds were issued to build a highway system. In 1950, the Idaho Department of Highways was reorganized and placed under the direction of a governing Board. In 1974, the Idaho Department of Highways became the Idaho Transportation Department. The Department of Motor Vehicles originally reported to the Idaho Department of Law Enforcement, but was transferred to ITD in 1982. Organization ITD is organized into five divisions and six district offices. The agency serves under an appointed seven member Idaho Transportation Board. The board establishes state transportation policy and guides the planning, development and management of the Idaho transportation network. The board is appointed by the governor. One board member represents each of the six regional districts.

ise, as well as part of the western Snake River Plain. The watershed encompasses approximately 4,100 square miles (11,000 km2) of highly diverse habitats, including alpine canyons, forest, rangeland, agricultural lands, and urban areas. Description The Boise River rises in three separate forks in the Sawtooth Range at elevations exceeding 10,000 feet (3,050 m), and is formed by the confluence of its North and Middle forks. The North Fork, 50 miles (80 km) long, rises in the Sawtooth Wilderness Area, along the Boise–Elmore county line, 60 miles (100 km) northeast of Boise. It flows generally southwest through the remote mountains in the Boise National Forest. The Middle Fork, approximately 52 miles (84 km) in length, rises within 12 miles (19 km) of the North Fork in the southern Sawtooth Wilderness Area in northeastern Elmore County. It flows west-southwest near the town of Atlanta, joining the North Fork to form the Boise River, approximately 15 miles (24 km) southeast of Idaho City.

History The river was called "Reed's River" in the early 19th century, named after Pacific Fur Company employee John Reed, who explored parts of the river throughout 1813 and 1814. The river is diverted to canals for irrigation on the plain west of what is now Boise. The dams that form the mountain reservoirs were constructed as part of the Bureau of Reclamation's "Boise Project" to provide agricultural irrigation, hydroelectricity, drinking water, and flood control to Boise and the Treasure Valley. The major projects' initial completion dates were: 1909 – Boise River Diversion Dam & New York Canal 1915 – Arrowrock Dam 1950 – Anderson Ranch Dam - (S. Fork) 1955 – Lucky Peak Dam - (U.S. Army Corps of Engineers) The Boise River was proposed for 50 years for a dam at Twin Springs, culminating in a 1966 Project Travois proposal, which would have used nuclear explosives to either create large amounts of rockfill aggregate for dam construction, or to induce a landslide that would have much the same effect. Project Travois was a component of Project Plowshare.

Recreation The river is a popular destination for floating, specifically on the Boise greenbelt. Tubers and floaters launch at Barber Park and land at Ann Morrison Park, between major irrigation diversion dams. Several minor diversion weirs are passed as well as several bridges on the 6-mile (10 km) trip. Water skiing is popular above the dam at the Lucky Peak Reservoir. On the lower (warmwater) course of the river, low summer flows and poorer water quality from agricultural runoff limit fishery production. This section of river supports a fair fishery for largemouth bass, smallmouth bass, and channel catfish. Upstream from Star, the river is a coldwater stream and supports a greater variety of fish. The most prevalent species on this section is mountain whitefish, as well as hatchery-reared rainbow trout, wild rainbow trout, and brown trout. Upstream from Lucky Peak and Arrowrock reservoirs, the river and its tributaries contain excellent populations of wild rainbow trout, mountain whitefish, and bull trout.

Meridian is a city located in Ada County, Idaho, United States. The population was 117,635 at the 2020 census, making it the second most populous city in the county and Idaho, after Boise, the state capital.

Rail transportation (1908–28) Following the raising of $4,000 to lay the Interurban rail line from Onweiler (Meridian and Ustick Roads), the tracks were completed into the village center. Turning east on Broadway and ending at East Second, the last car would spend the night in Meridian before returning to Boise early the next morning with passengers and freight. The interurban Station and Generator building (west one-third of the old library at Meridian and Idaho Streets) was built in 1912, and the line continued on to Nampa via Meridian. The tracks down Broadway were not used after 1912. The Interurban Company entered into receivership and closed in 1928 after 20 years of providing continuous transportation to neighboring towns. It was Meridian's main connection to the area outside the local community. The Union Pacific Railroad spur opened in 1900 and is currently operated by the Boise Valley Railroad. Many industrial customers continue to ship forest, agricultural, and chemical products along this corridor. Creamery (1929–70) The city's official website describes the history of the Ada County Dairymen's cooperative creamery as follows:The lowest days of the Great Depression brightened for area dairymen when the Ada County Dairymen's cooperative creamery began operation in 1929. It provided milk checks to those who were members of the cooperative, enabling them to pay their taxes and provide food for their families. Other community members hauled milk to the creamery and were employed by the creamery, whose product was Challenge Butter. The creamery ran seven days a week for 40 years. Additions and improvements were made while the plant was in full operation. Later years saw the Wyeth Laboratories affiliate with the creamery to manufacture SMA baby formula.

Creamery (1929–70) The city's official website describes the history of the Ada County Dairymen's cooperative creamery as follows:The lowest days of the Great Depression brightened for area dairymen when the Ada County Dairymen's cooperative creamery began operation in 1929. It provided milk checks to those who were members of the cooperative, enabling them to pay their taxes and provide food for their families. Other community members hauled milk to the creamery and were employed by the creamery, whose product was Challenge Butter. The creamery ran seven days a week for 40 years. Additions and improvements were made while the plant was in full operation. Later years saw the Wyeth Laboratories affiliate with the creamery to manufacture SMA baby formula.

The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on December 2, 1970, after Nixon signed an executive order. The order establishing the EPA was ratified by committee hearings in the House and Senate. The agency is led by its administrator, who is appointed by the president and approved by the Senate. Since January 29, 2025, the administrator is Lee Zeldin. The EPA is not a Cabinet department, but the administrator is normally given cabinet rank. The EPA has its headquarters in Washington, D.C. There are regional offices for each of the agency's ten regions, as well as 27 laboratories around the country. The agency conducts environmental assessment, research, and education. It has the responsibility of maintaining and enforcing national standards under a variety of U.S. environmental laws, in consultation with state, tribal, and local governments. EPA enforcement powers include fines, sanctions, and other measures. It delegates some permitting, monitoring, and enforcement responsibility to U.S. states and the federally recognized tribes. The agency also works with industries and all levels of government in a wide variety of voluntary pollution prevention programs and energy conservation efforts. The agency's budgeted employee level in 2023 was 16,204.1 full-time equivalent (FTE).

r is Lee Zeldin. The EPA is not a Cabinet department, but the administrator is normally given cabinet rank. The EPA has its headquarters in Washington, D.C. There are regional offices for each of the agency's ten regions, as well as 27 laboratories around the country. The agency conducts environmental assessment, research, and education. It has the responsibility of maintaining and enforcing national standards under a variety of U.S. environmental laws, in consultation with state, tribal, and local governments. EPA enforcement powers include fines, sanctions, and other measures. It delegates some permitting, monitoring, and enforcement responsibility to U.S. states and the federally recognized tribes. The agency also works with industries and all levels of government in a wide variety of voluntary pollution prevention programs and energy conservation efforts. The agency's budgeted employee level in 2023 was 16,204.1 full-time equivalent (FTE).

or is normally given cabinet rank. The EPA has its headquarters in Washington, D.C. There are regional offices for each of the agency's ten regions, as well as 27 laboratories around the country. The agency conducts environmental assessment, research, and education. It has the responsibility of maintaining and enforcing national standards under a variety of U.S. environmental laws, in consultation with state, tribal, and local governments. EPA enforcement powers include fines, sanctions, and other measures. It delegates some permitting, monitoring, and enforcement responsibility to U.S. states and the federally recognized tribes. The agency also works with industries and all levels of government in a wide variety of voluntary pollution prevention programs and energy conservation efforts. The agency's budgeted employee level in 2023 was 16,204.1 full-time equivalent (FTE).

Boise (locally also ) is the capital and most populous city in the U.S. state of Idaho. It is the county seat of Ada County. The population of the city was 235,685 at the 2020 census. The Boise metropolitan area, located in the Treasure Valley, includes five counties of Idaho with an estimated population of 846,000, the most populous metropolitan area in Idaho and 95th-most populous in the United States. Located on the Boise River in southwestern Idaho, it is 41 miles (66 km) east of the Oregon border and 110 miles (177 km) north of the Nevada border. Downtown Boise's elevation is 2,704 feet (824 m) above sea level. Boise is home to major employers in the technology, manufacturing, and service sectors, including companies such as Micron Technology and Hewlett-Packard.

an area in Idaho and 95th-most populous in the United States. Located on the Boise River in southwestern Idaho, it is 41 miles (66 km) east of the Oregon border and 110 miles (177 km) north of the Nevada border. Downtown Boise's elevation is 2,704 feet (824 m) above sea level. Boise is home to major employers in the technology, manufacturing, and service sectors, including companies such as Micron Technology and Hewlett-Packard.

...that the military should continue killing Indians 'until the last Indian in the Territories was either on his reservation or enriched the sagebrush with his decaying carcass.' ...if the Indians refused to move there, 'they will be killed or put on the reservation by force, and certainly shot if they don't stay there.' Furthermore, the editor continues, 'The idea that the Indians have any right to the soil is ridiculous. ...They have no more rights to the soil of the Territories of the United States than wolves or coyotes...' This would be our plan of establishing friendship upon an eternal basis with our Indians: Let all the hostile bands of Idaho Territory be called in (they will not be caught in any other manner) to attend a grand treaty; plenty of blankets and nice little trinkets distributed among them; plenty of grub on hand; have a real jolly time with them; then just before the big feast put strychnine in their meat and poison to death the last mother's son of them. At the same time, native warriors around the valley, under the leadership of Howluck also known as "Bigfoot" among white settlers, among others, waged an escalating and intensified guerrilla campaign of harassment of passerby caravans along the Oregon Trail. The United States Army also escalated and intensified "punitive expeditions" against formations of warriors and against civilian communities as well. This marked the start of the "unofficial" Snake War in 1866. This war lasted until 1868, and is statistically the deadliest of the Indian Wars in the West in terms of casualties. In the end, 1,762 men were counted as the casualties of this war from both sides. In 1868, Fort Hall Indian Reservation was established in Southeastern Idaho, about 220 miles upstream, according to the terms of Fort Bridger Treaty. The Boise Valley Shoshone and Bannock Tribes were not party to this treaty. Nevertheless, in April 1869, the United States Military embarked on a campaign of "Removal, rounding up of natives in the region including in and around Boise, and expelling them with cavalry escort to Fort Hall Indian Reservation. This period is known among the Shoshone and Bannock people as Idaho's Trail of Tears. Some of the natives managed to escape, and they ran to either Duck Valley or Fort McDermitt in Nevada. Incorporation and growth Boise's early growth was significantly driven by its role in supplying the nearby gold towns that sprung up in the 1860s northeast and then southwest of the town. Miners sometimes wintered in Boise and a number of early prominent businessmen were miners who settled in town in the years after the gold rush waned. By 1864 substantial agricultural production was underway on easily irrigated lands near the river and three canal companies had been incorporated. Early transportation improvements were largely a result of toll road franchises awarded by the territorial legislature starting in the 1860s. These first ran from Fort Boise to the mining centers in the Boise Basin and east to Rocky Bar and to Rattlesnake Station where they connected to the Oregon Trail. Territorial census records from a special 1864 enumeration list the population of Boise as 1,658, and an act of December 12, 1864, was the first attempt by the Idaho Territorial Legislature to incorporate the city. This was rejected by voters the following March. Two more unsuccessful attempts were made to organize a city administration by election before the 1866 version of the city charter was approved by voters on January 6, 1868. The growing number of homes and businesses, for which owners wanted proper legal title, may have contributed to the eventual success of incorporation. All of these rejected efforts to incorporate the city came after Boise had been controversially made the state capital in 1864 over strong opposition from northern Idaho interests. This decision reflected the rapid shift of population growth from north to south after the discovery of gold in southern Idaho. By 1868 Boise had over 400 permanent buildings with a wide range of commercial services. 1868 also marked the formal beginning of a long advocacy for railroad connections to other Idaho communities and, just as importantly, to other growing cities in the west such as Portland, Oregon. Competing railroad and western state government interests frustrated these efforts for many years. Designed by Alfred B. Mullett, the U.S. Assay Office at 210 Main Street was built in 1871 and today is a National Historic Landmark. It first began accepting gold and silver for purchase on March 2, 1872, largely eliminating the need to transport ore to the mint in San Francisco. A territorial penitentiary, now known as the Old Idaho State Penitentiary, opened the same month several miles east of town. Mining continued to be important to Boise's economic growth and periodic booms contributed to population growth as well, though production of gold and silver probably peaked in the 1860s. 1882's gold and silver production of $3,500,000 declined to $1,488,315 (including lead) by 1899. Boise began to earn its City of Trees nickname in this period with a popular focus on a range of tree planting projects. Thomas J. Davis planted several thousand fruit trees in 1864 and several other early businessmen either founded nurseries or orchards of their own. In the 1870s tree planting began in earnest in downtown Boise led by prominent hotels as well as businessmen and residents. In 1907 Davis donated 43 acres of his orchard property to the city for use as a park in the name of his wife Julia. Commercial agriculture continued to expand, but was slowed by the lack of reliable rail links to regional and national markets and by a lack of large scale irrigation projects, which themselves were often tied to hoped-for railroad projects for financing. A.D. Foote, a successful mining engineer, drew up plans to irrigate up to 500,000 acres immediately south of Boise in 1882, but progress was halting and smaller farms were the norm until after the turn of the century with most located near to the river bottom where soil was productive and irrigation more easily achieved. Fruit orchards proliferated and sugar beets, still an important agricultural industry in Idaho, began to be widely cultivated in the 1890s. Cattle and sheep farming became increasingly important as the century closed. With the exception of dairy, most livestock products were exported from Idaho, unlike other agricultural products which were still largely scaled to support local markets. The timber industry also increasingly thrived in the Boise market in the 1880s and 1890s. Large quantities of timber were exported from elsewhere in Idaho, but a growing Boise supported the expansion of Alexander Rossi's sawmill, first established in 1865. Prominent early Boisean William Ridenbaugh had inherited control of the canal now bearing his name from his uncle William Morris in 1878 and later partnered with Rossi to expand the sawmill capacity under the name Rossi and Ridenbaugh Lumber Company. Their materials supported bridge building and the rapid expansion of Boise in the 1890s. As with many early infrastructure ventures, electrification succeeded only after at least one false start. July 4, 1887, marked the start of electrical transmission from a plant located on the Bench. William Ridenbaugh provided expertise and manpower for the water supply and several months were spent rigging poles and lines from the Bench to the service area across the river. Additional electrical supplies allowed the building of an electric streetcar line in 1891. This ran without interruption until buses replaced the lines in 1927, tracking—and sometimes driving—the development of Boise and nearby communities. This system expanded over several decades, reaching into the North End, South Boise and across the river on Front St. A loop line, completed in 1912, ran as far as Caldwell and Nampa, providing transport throughout the valley. Three early trolley companies merged in 1912 to form the Idaho Traction Company with a depot at 7th and Bannock Streets downtown. Additional services and urban amenities arrived in the 1890s as Boise grew. Exploratory drilling for hot water was successful in 1890 and by the end of the decade many homes along Warm Springs avenue were being heated by this source. A natatorium was built in 1892 close to the source of the hot water near the Idaho State Penitentiary. Churches serving several denominations, a Jewish synagogue, a major hardware store and department store, a Masonic hall, the Columbia Theater, Saint Alphonsus' Hospital, a number of parochial and secular schools, a City Hall and a new Union Pacific passenger station, constructed when service was finally extended to downtown, were all built during the 1890s. Falk's Department Store sponsored a semi-professional baseball team representing Boise from at least 1892 and the city supported other organized sports as they became popular.

r design was inspired by the Classical style of architecture of Ancient Rome and Ancient Greece for examples. Its sandstone exterior is dug and cut from the state-owned quarry at nearby Table Rock in Ada County, Idaho. The now historic landmark building was included in the Boise Capitol Area District listing on the U.S.

e federal Union on July 3, 1890, the day before Independence Day, when a 43rd white star was added officially to the American Flag. Construction of the first portion of the new state capitol building began in the summer of 1905, fifteen years after 43rd statehood, and the designing architects were John E. Tourtellotte (1869–1939), and Charles Hummel, in their architectural firm / partnership of Tourtellotte & Hummel (now named Hummel Architects). Tourtellotte was a Connecticut native whose career began in Massachusetts and continued when he moved west to Boise. Hummel was a German American immigrant who partnered with Tourtellotte in 1901. The final cost of the building was just over $2 million; it was completed fifteen years later in 1920. The architects used varied materials to construct the building and their design was inspired by the Classical style of architecture of Ancient Rome and Ancient Greece for examples. Its sandstone exterior is dug and cut from the state-owned quarry at nearby Table Rock in Ada County, Idaho. The now historic landmark building was included in the Boise Capitol Area District listing on the U.S.

n E. Tourtellotte (1869–1939), and Charles Hummel, in their architectural firm / partnership of Tourtellotte & Hummel (now named Hummel Architects). Tourtellotte was a Connecticut native whose career began in Massachusetts and continued when he moved west to Boise. Hummel was a German American immigrant who partnered with Tourtellotte in 1901. The final cost of the building was just over $2 million; it was completed fifteen years later in 1920. The architects used varied materials to construct the building and their design was inspired by the Classical style of architecture of Ancient Rome and Ancient Greece for examples. Its sandstone exterior is dug and cut from the state-owned quarry at nearby Table Rock in Ada County, Idaho. The now historic landmark building was included in the Boise Capitol Area District listing on the U.S.

were cleared increasingly farther west and eventually reached the Willamette Valley in Oregon, at which point what came to be called the Oregon Trail was complete. Further improvements in the form of bridges, cutoffs, ferries, and roads made the trip faster and safer. From starting points in Iowa, Missouri, or Nebraska Territory, the routes converged along the lower Platte River Valley near Fort Kearny, Nebraska Territory. They led to fertile farmlands west of the Rocky Mountains. The Oregon Trail and its many offshoots were used by about 400,000 settlers, farmers, miners, ranchers, and business owners and their families to get to the area known as Oregon and its surroundings, with traffic especially thick from 1846 to 1869. The eastern half of the trail was also used by travelers on the California Trail from 1843, the Mormon Trail from 1847, the Montana Trail from 1862, and the Bozeman Trail from 1863, before turning off to their separate destinations. Use of the trail declined after the first transcontinental railroad was completed in 1869, making the trip west substantially faster, cheaper, and safer.

As the trail developed it became marked by many cutoffs and shortcuts from Missouri to Oregon. The basic route follows river valleys as grass and water were necessary. While the first few parties organized and departed from Elm Grove, the Oregon Trail's primary starting points were Independence, Missouri, or Westport, (which was annexed into modern day Kansas City), on the Missouri River. Later, several feeder trails led across Kansas, and other towns became notable starting points, including Weston, Fort Leavenworth, Atchison, St. Joseph, and Omaha. The Oregon Trail's nominal termination point was Oregon City, at the time the proposed capital of the Oregon Territory. However, many settlers branched off or stopped short of this goal and settled at convenient or promising locations along the trail. Commerce with pioneers going further west helped establish these early settlements and launched local economies critical to their prosperity. At dangerous or difficult river crossings, ferries or toll bridges were set up and bad places on the trail were either repaired or bypassed. Several toll roads were constructed. Gradually the trail became easier with the average trip (as recorded in numerous diaries) dropping from about 160 days in 1849 to 140 days 10 years later. Many other trails followed the Oregon Trail for much of its length, including the Mormon Trail from Illinois to Utah; the California Trail to the gold fields of California; and the Bozeman Trail to Montana. Because it was more a network of trails than a single trail, there were numerous variations with other trails eventually established on both sides of the Platte, North Platte, Snake, and Columbia rivers. With literally thousands of people and thousands of livestock traveling in a fairly small time slot, the travelers had to spread out to find clean water, wood, good campsites, and grass.

The route west was arduous and fraught with many dangers, but the number of deaths on the trail is not known with any precision; there are only widely varying estimates. Estimating is difficult because of the common practice of burying people in unmarked graves that were intentionally disguised to avoid being dug up by animals or natives. Graves were often put in the middle of a trail and then run over by the livestock to make them difficult to find. Disease was the main killer of trail travelers. Cholera killed up to 3 percent of all travelers in the epidemic years from 1849 to 1855. Native attacks increased significantly after 1860, when most of the army troops were withdrawn, and miners and ranchers began fanning out all over the country, often encroaching on Native American territory. Increased attacks along the Humboldt led to most travelers taking the Central Nevada Route. The Goodall cutoff, developed in Idaho in 1862, kept Oregon-bound travelers away from much of the native trouble nearer the Snake River. Other trails were developed that traveled further along the South Platte to avoid local Native American hot spots. Other common causes of death included hypothermia, drowning in river crossings, getting run over by wagons, and accidental gun deaths. Later, more family groups started traveling, and many more bridges and ferries were being put in, so fording a dangerous river became much less common and dangerous. Surprisingly few people were taught to swim in this era. Being run over was a major cause of death, despite the wagons' only averaging 2–3 miles per hour. The wagons could not easily be stopped, and people, particularly children, were often trying to get on and off the wagons while they were moving—not always successfully. Another hazard was a dress getting caught in the wheels and pulling the person under. Accidental shootings declined significantly after Fort Laramie, as people became more familiar with their weapons and often just left them in their wagons. Carrying around a ten-pound rifle all day soon became tedious and usually unnecessary, as the perceived threat of natives faded and hunting opportunities receded. A significant number of travelers were suffering from scurvy by the end of their trips. Their typical flour and salted pork/bacon diet had very little vitamin C in it. The diet in the mining camps was also typically low in fresh vegetables and fruit, which indirectly led to the early deaths of many of the inhabitants. Some believe that scurvy deaths may have rivaled cholera as a killer, with most deaths occurring after the victim reached California. Miscellaneous deaths included deaths by childbirth, falling trees, flash floods, homicides, kicks by animals, lightning strikes, snake bites, and stampedes. According to an evaluation by John Unruh, a 4 percent death rate or 16,000 out of 400,000 total pioneers on all trails may have died on the trail. Reaching the Sierra Nevada before the start of the winter storms was critical for the successful completion of a trip. The most famous failure in that regard was that of the Donner Party, whose members struggled to traverse what is today called Donner Pass, in November 1846.

Ada County is located in the southwestern part of Idaho, United States. As of the 2020 census, the county had a population of 494,967, which by 2025 was estimated to have risen to 546,141. Ada County is by far the state's most populous county; it is home to 26.8% of the state's population. The county seat and largest city is Boise, which is also the state capital. Ada County is included in the Boise metropolitan area. The Ada County Highway District has jurisdiction over all the local county and city streets, except for private roads and state roads.

populous county; it is home to 26.8% of the state's population. The county seat and largest city is Boise, which is also the state capital. Ada County is included in the Boise metropolitan area. The Ada County Highway District has jurisdiction over all the local county and city streets, except for private roads and state roads.

ea. The Ada County Highway District has jurisdiction over all the local county and city streets, except for private roads and state roads. In the interior Pacific Northwest east of the Cascade Range, Ada County ranks second in population, behind Spokane County, Washington. History Ada County was created by the Idaho Territory legislature on December 22, 1864, partitioned from Boise County. It is named for Ada Riggs, the daughter of H. C. Riggs, a member of the legislature; he established the county and was a co-founder of Boise.

state 84, and 6 miles (9.7 km) west of Meridian. It is the second principal city of the Boise metropolitan area. The name "Nampa" may have come from a Shoshoni word meaning 'moccasin' or 'footprint'. According to toponymist William O. Bright, the name comes from the Shoshoni word /nampai/, meaning "foot".

W. J. McClelland, c.1901–1903 Frank H. Sutherland, c.1903–1904 H. A. Partridge, c.1904–1905, 1907–1908, 1913–1914 Rudolphus W. Purdum, c.1905–1906 E. H. Dewey, c.1909–1911 T. E. Munhall, c.1915–1917 Robert A. Davis, c.1917–1919 H. H. Keim, c.1919–1920 J. Fremont Bow, 1921–1923 Eugene Emerson, c.1923–1925 George Meffan, 1925–1929 Eustace Smallwood, c.1929–1930 E. W. Rising, c.1933–1935 George I. Van Name, 1935–1937 R. Lewis Ord, 1937–1939 Ben H. Waigand, 1939–1943 A. E. Lindsey, c.1943–1945 Sevren G. Honstead, 1945–1947 Peter Johnson, 1947–1951 Preston Capell, c.1951–1957 Thomas Leupp, 1957–1961 Ernest Starr, 1961–1981 Winston K.

pa ( ) is the most populous city in Canyon County, Idaho, United States. The population was 100,200 at the 2020 census. It is Idaho's third-most populous city. Nampa is about 20 miles (32 km) west of Boise along Interstate 84, and 6 miles (9.7 km) west of Meridian. It is the second principal city of the Boise metropolitan area. The name "Nampa" may have come from a Shoshoni word meaning 'moccasin' or 'footprint'. According to toponymist William O. Bright, the name comes from the Shoshoni word /nampai/, meaning "foot".

contains slightly more than half of the Duck Valley Indian Reservation, which extends over the Nevada border, into Elko County. The majority of the federally recognized Shoshone-Paiute Tribe that is associated with this reservation lives on the Nevada side; its tribal center is in Owyhee, Nevada. History This area was the territory of Western Shoshone, Northern Paiute, and Bannock peoples and their ancestors for thousands of years prior to the arrival of European settlers. Settler interests in securing land and resources spurred conflict and led to the indigenous peoples being forced onto reservations. On December 31, 1863, Owyhee County became the first county organized by the Idaho Territory Legislature. While Boise, Idaho, Nez Perce, and Shoshone counties were organized under the laws of Washington Territory, they were not recognized by the Idaho Territory until February 1864. The original county seat at Ruby City was moved to nearby Silver City in 1867. Owyhee County's original boundary was the portion of Idaho Territory south of the Snake River and west of the Rocky Mountains. Less than a month after the creation of Owyhee County, Oneida County was formed in January 1864 from the eastern portion of the county. The formation of Cassia County in 1879 took further territory in the east. Owyhee County's history is closely linked to the mining boom that dominated Idaho Territory in the second half of the 19th century. Silver City and Ruby City developed as boom towns. At its height in the 1880s, Owyhee County was among the most populous places in Idaho. Today it is among the least populous, at 1.4 persons per square mile (0.54 persons/km2). Because of pressure from miners and settlers, the federal government made a treaty in 1877 with the Western Shoshone to cede land, and established what is now known as the Duck Valley Indian Reservation in this county and across the border in Elko County, Nevada. The reservation was expanded in 1886 to accommodate people of the Northern Paiute. In the 20th century, the tribes combined and are federally recognized as a single government; the majority of the people live on the Nevada side of the reservation. There were two railroad lines extending into Owyhee County, the first was the Boise Nampa & Owyhee Railroad which built starting in 1896 from Nampa, Idaho south towards Melba, Idaho and eventually across the Snake River into Owyhee County in 1897, whereupon it crossed Rabbit Creek before arriving in Murphy, Idaho. The first train into Murphy occurred in 1899. The Boise, Nampa & Owyhee Railroad was acquired by the Idaho Northern Railroad in 1907; the line was taken over by the Oregon Short Line Railroad in 1913 following their purchase of the Idaho Northern Railroad, after which it became known as the Murphy Branch line. Daily passenger service to Murphy was discontinued in 1942. By 1947, shipping animals out of Murphy was no longer profitable for the railroad. The Murphy portion of the line was abandoned in 1947. In the 1950s, trucks and highways became the dominant mode of transportation. The last train left Melba in 1994, and all rails were torn out in that same year. The second railroad line was the Oregon Shortline Railroad which built south from Nyssa Oregon beginning in 1911, passing through Adrian Oregon the line ended after 25 miles in Homedale Idaho, in 1922 it was extended Marsing Idaho to accommodate additional agricultural traffic. In 1970, the Marsing and Homedale depots were closed by Union Pacific. In 1987, with declining carload, Union Pacific offered the line for sale but no buyers were found. Following the closure of the lumber mill in Homedale in the early 1990s, the Homedale branch (now reduced to the status of an "industrial lead") generated a total of 49 carloads in 1995 and 42 in 1996. In 1997, Union Pacific filed for permission to abandon the Idaho portion of the line and received no formal protest, the tracks were ripped up the following year. Owyhee County gained its present boundaries in 1930 after an election approved moving a portion of it near Glenns Ferry and King Hill to neighboring Elmore County. In 1934, the county seat was moved from the nearly abandoned Silver City to its present location in Murphy.

020 census, the population was 11,913. The county seat is Murphy, and its largest city is Homedale. In area it is the second-largest county in Idaho, behind Idaho County. Owyhee County is part of the Boise metropolitan area and contains slightly more than half of the Duck Valley Indian Reservation, which extends over the Nevada border, into Elko County.

History This area was the territory of Western Shoshone, Northern Paiute, and Bannock peoples and their ancestors for thousands of years prior to the arrival of European settlers. Settler interests in securing land and resources spurred conflict and led to the indigenous peoples being forced onto reservations. On December 31, 1863, Owyhee County became the first county organized by the Idaho Territory Legislature. While Boise, Idaho, Nez Perce, and Shoshone counties were organized under the laws of Washington Territory, they were not recognized by the Idaho Territory until February 1864. The original county seat at Ruby City was moved to nearby Silver City in 1867. Owyhee County's original boundary was the portion of Idaho Territory south of the Snake River and west of the Rocky Mountains. Less than a month after the creation of Owyhee County, Oneida County was formed in January 1864 from the eastern portion of the county. The formation of Cassia County in 1879 took further territory in the east. Owyhee County's history is closely linked to the mining boom that dominated Idaho Territory in the second half of the 19th century. Silver City and Ruby City developed as boom towns. At its height in the 1880s, Owyhee County was among the most populous places in Idaho. Today it is among the least populous, at 1.4 persons per square mile (0.54 persons/km2). Because of pressure from miners and settlers, the federal government made a treaty in 1877 with the Western Shoshone to cede land, and established what is now known as the Duck Valley Indian Reservation in this county and across the border in Elko County, Nevada. The reservation was expanded in 1886 to accommodate people of the Northern Paiute. In the 20th century, the tribes combined and are federally recognized as a single government; the majority of the people live on the Nevada side of the reservation. There were two railroad lines extending into Owyhee County, the first was the Boise Nampa & Owyhee Railroad which built starting in 1896 from Nampa, Idaho south towards Melba, Idaho and eventually across the Snake River into Owyhee County in 1897, whereupon it crossed Rabbit Creek before arriving in Murphy, Idaho. The first train into Murphy occurred in 1899. The Boise, Nampa & Owyhee Railroad was acquired by the Idaho Northern Railroad in 1907; the line was taken over by the Oregon Short Line Railroad in 1913 following their purchase of the Idaho Northern Railroad, after which it became known as the Murphy Branch line. Daily passenger service to Murphy was discontinued in 1942. By 1947, shipping animals out of Murphy was no longer profitable for the railroad. The Murphy portion of the line was abandoned in 1947. In the 1950s, trucks and highways became the dominant mode of transportation. The last train left Melba in 1994, and all rails were torn out in that same year. The second railroad line was the Oregon Shortline Railroad which built south from Nyssa Oregon beginning in 1911, passing through Adrian Oregon the line ended after 25 miles in Homedale Idaho, in 1922 it was extended Marsing Idaho to accommodate additional agricultural traffic. In 1970, the Marsing and Homedale depots were closed by Union Pacific. In 1987, with declining carload, Union Pacific offered the line for sale but no buyers were found. Following the closure of the lumber mill in Homedale in the early 1990s, the Homedale branch (now reduced to the status of an "industrial lead") generated a total of 49 carloads in 1995 and 42 in 1996. In 1997, Union Pacific filed for permission to abandon the Idaho portion of the line and received no formal protest, the tracks were ripped up the following year. Owyhee County gained its present boundaries in 1930 after an election approved moving a portion of it near Glenns Ferry and King Hill to neighboring Elmore County. In 1934, the county seat was moved from the nearly abandoned Silver City to its present location in Murphy.

the county seat of Canyon County, Idaho, United States. Caldwell is the 5th most populous city in Idaho. As of the 2020 census, Caldwell had a population of 59,996. Caldwell is considered part of the Boise metropolitan area, and is the location of the College of Idaho. The city is located approximately 24 miles (39 km) west of Boise, and approximately 17 miles (27 km) east of the Oregon border. History The present-day location of Caldwell is along a natural passageway to the Inland and Pacific Northwest. Native American tribes from the west coast, north Idaho and as far away as Colorado came to the banks of the Boise River for annual trading fairs, or rendezvous. European and some Hawaiian explorers and traders soon followed the paths left by Native Americans and hopeful emigrants later forged the Oregon Trail and followed those paths to seek a better life in the Oregon Territory. Pioneers of the Trail traveled along the Boise River to Canyon Hill and forded the river close to the Silver Bridge on Plymouth Street. During the Civil War, the discovery of gold in Idaho's mountains brought a variety of new settlers into the area. Many never made it to the mines but settled along the Boise River and run ferries, stage stations, and freighting businesses. These early entrepreneurs created small ranches and farms in the river valleys. Caldwell's inception occurred largely as a result of the construction of the Oregon Short Line Railroad, which connected Wyoming to Oregon through Idaho. Robert E. Strahorn came to the Boise River Valley in 1883 to select a route for the railroad. He rejected the grade into Boise City as too steep and chose a site 30 miles to the west. He drove a stake into an alkali flat of sagebrush and greasewood and the City of Caldwell was platted. Caldwell was named after one of Strahorn's business partners, Alexander Caldwell, a former senator from Kansas. When Caldwell was platted in August 1883, its founder, the Idaho and Oregon Land Improvement Company, started persuading settlers and businessmen to move to the area. Within four months, Caldwell had 600 residents living in 150 dwellings, 40 businesses, a school, a telephone exchange, and two newspapers. On January 15, 1890, the Board of Commissioners of Ada County issued a handwritten order incorporating the City of Caldwell. The College of Idaho was founded in Caldwell in 1891. In 1892, Canyon County was established from a portion of Ada County, and Caldwell was named the county seat. Irrigation canals and waterways were constructed throughout Canyon County, providing the foundation for an agricultural economy. The Oregon Short Line Railroad became part of the larger Union Pacific Railroad network and in 1906 the Caldwell freight and passenger depot was constructed. Caldwell experienced moderate growth as an agricultural processing, commercial retail and educational center during the 20th century. In 2009, the City of Caldwell completed a revitalization project to restore Indian Creek, which runs through downtown Caldwell, but had been used for sewage disposal by local industries and been covered over.

History The present-day location of Caldwell is along a natural passageway to the Inland and Pacific Northwest. Native American tribes from the west coast, north Idaho and as far away as Colorado came to the banks of the Boise River for annual trading fairs, or rendezvous. European and some Hawaiian explorers and traders soon followed the paths left by Native Americans and hopeful emigrants later forged the Oregon Trail and followed those paths to seek a better life in the Oregon Territory. Pioneers of the Trail traveled along the Boise River to Canyon Hill and forded the river close to the Silver Bridge on Plymouth Street. During the Civil War, the discovery of gold in Idaho's mountains brought a variety of new settlers into the area. Many never made it to the mines but settled along the Boise River and run ferries, stage stations, and freighting businesses. These early entrepreneurs created small ranches and farms in the river valleys. Caldwell's inception occurred largely as a result of the construction of the Oregon Short Line Railroad, which connected Wyoming to Oregon through Idaho. Robert E. Strahorn came to the Boise River Valley in 1883 to select a route for the railroad. He rejected the grade into Boise City as too steep and chose a site 30 miles to the west. He drove a stake into an alkali flat of sagebrush and greasewood and the City of Caldwell was platted. Caldwell was named after one of Strahorn's business partners, Alexander Caldwell, a former senator from Kansas. When Caldwell was platted in August 1883, its founder, the Idaho and Oregon Land Improvement Company, started persuading settlers and businessmen to move to the area. Within four months, Caldwell had 600 residents living in 150 dwellings, 40 businesses, a school, a telephone exchange, and two newspapers. On January 15, 1890, the Board of Commissioners of Ada County issued a handwritten order incorporating the City of Caldwell. The College of Idaho was founded in Caldwell in 1891. In 1892, Canyon County was established from a portion of Ada County, and Caldwell was named the county seat. Irrigation canals and waterways were constructed throughout Canyon County, providing the foundation for an agricultural economy. The Oregon Short Line Railroad became part of the larger Union Pacific Railroad network and in 1906 the Caldwell freight and passenger depot was constructed. Caldwell experienced moderate growth as an agricultural processing, commercial retail and educational center during the 20th century. In 2009, the City of Caldwell completed a revitalization project to restore Indian Creek, which runs through downtown Caldwell, but had been used for sewage disposal by local industries and been covered over.

location of the College of Idaho. The city is located approximately 24 miles (39 km) west of Boise, and approximately 17 miles (27 km) east of the Oregon border. History The present-day location of Caldwell is along a natural passageway to the Inland and Pacific Northwest. Native American tribes from the west coast, north Idaho and as far away as Colorado came to the banks of the Boise River for annual trading fairs, or rendezvous. European and some Hawaiian explorers and traders soon followed the paths left by Native Americans and hopeful emigrants later forged the Oregon Trail and followed those paths to seek a better life in the Oregon Territory. Pioneers of the Trail traveled along the Boise River to Canyon Hill and forded the river close to the Silver Bridge on Plymouth Street. During the Civil War, the discovery of gold in Idaho's mountains brought a variety of new settlers into the area. Many never made it to the mines but settled along the Boise River and run ferries, stage stations, and freighting businesses. These early entrepreneurs created small ranches and farms in the river valleys. Caldwell's inception occurred largely as a result of the construction of the Oregon Short Line Railroad, which connected Wyoming to Oregon through Idaho. Robert E. Strahorn came to the Boise River Valley in 1883 to select a route for the railroad. He rejected the grade into Boise City as too steep and chose a site 30 miles to the west. He drove a stake into an alkali flat of sagebrush and greasewood and the City of Caldwell was platted. Caldwell was named after one of Strahorn's business partners, Alexander Caldwell, a former senator from Kansas. When Caldwell was platted in August 1883, its founder, the Idaho and Oregon Land Improvement Company, started persuading settlers and businessmen to move to the area. Within four months, Caldwell had 600 residents living in 150 dwellings, 40 businesses, a school, a telephone exchange, and two newspapers. On January 15, 1890, the Board of Commissioners of Ada County issued a handwritten order incorporating the City of Caldwell. The College of Idaho was founded in Caldwell in 1891. In 1892, Canyon County was established from a portion of Ada County, and Caldwell was named the county seat. Irrigation canals and waterways were constructed throughout Canyon County, providing the foundation for an agricultural economy. The Oregon Short Line Railroad became part of the larger Union Pacific Railroad network and in 1906 the Caldwell freight and passenger depot was constructed. Caldwell experienced moderate growth as an agricultural processing, commercial retail and educational center during the 20th century. In 2009, the City of Caldwell completed a revitalization project to restore Indian Creek, which runs through downtown Caldwell, but had been used for sewage disposal by local industries and been covered over.

Gem County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 19,123. The county seat and largest city is Emmett. Gem County is part of the Boise metropolitan area. Gem County is home to the Idaho ground squirrel. History Named for the state nickname, "Gem State," the county was established on March 15, 1915, partitioned from Canyon County and Boise County. Fur trappers were in the area as early as 1818, and Alexander Ross explored Squaw Creek in 1824. Prospectors and miners moved through the county in 1862 en route to the gold rush in the Boise Basin around Idaho City, and by the next year irrigation began along the Payette River. Under Washington Territory, the area was part of Idaho County from the time of settlement until the territory south of the Payette River became part of Boise County at its creation in 1863. Picket's Corral, northeast of Emmett was the base of operations for a gang of horse thieves and "bogus dust peddlers" between 1862 and 1864. The Payette Vigilance Committee eliminated the gang, bringing safety for citizens of the area. The act creating Ada County in 1864 established the Ada County boundary common to Boise County as a line from Grimes Creek to Picket's Corral and then north from that point to the existing northern boundary of Boise County, leaving the areas outside of Emmett within Boise County. Jonathan Smith and Nathaniel Martin settled near Emmett about 1862. They established a ferry on the Payette River at Emmett in 1866. On May 31, 1867, a post office was established at the ferry and named Martinsville, which was renamed Emmettsville on October 31, 1868; postal officials shortened the name of the post office to Emmett in 1885. Census data for the area shows Squaw Creek Precinct under Boise County with a population of 30 in 1870. Ada County did not separately return precincts at that census. By 1890, Squaw Creek was split into two precincts. Those precincts were grouped with Horseshoe Bend at the 1890 census. The Emmett precinct contained 479 residents at that time. The Emmett area was transferred to Canyon County at its establishment in 1892.

History Named for the state nickname, "Gem State," the county was established on March 15, 1915, partitioned from Canyon County and Boise County. Fur trappers were in the area as early as 1818, and Alexander Ross explored Squaw Creek in 1824. Prospectors and miners moved through the county in 1862 en route to the gold rush in the Boise Basin around Idaho City, and by the next year irrigation began along the Payette River. Under Washington Territory, the area was part of Idaho County from the time of settlement until the territory south of the Payette River became part of Boise County at its creation in 1863. Picket's Corral, northeast of Emmett was the base of operations for a gang of horse thieves and "bogus dust peddlers" between 1862 and 1864. The Payette Vigilance Committee eliminated the gang, bringing safety for citizens of the area. The act creating Ada County in 1864 established the Ada County boundary common to Boise County as a line from Grimes Creek to Picket's Corral and then north from that point to the existing northern boundary of Boise County, leaving the areas outside of Emmett within Boise County. Jonathan Smith and Nathaniel Martin settled near Emmett about 1862. They established a ferry on the Payette River at Emmett in 1866. On May 31, 1867, a post office was established at the ferry and named Martinsville, which was renamed Emmettsville on October 31, 1868; postal officials shortened the name of the post office to Emmett in 1885. Census data for the area shows Squaw Creek Precinct under Boise County with a population of 30 in 1870. Ada County did not separately return precincts at that census. By 1890, Squaw Creek was split into two precincts. Those precincts were grouped with Horseshoe Bend at the 1890 census. The Emmett precinct contained 479 residents at that time. The Emmett area was transferred to Canyon County at its establishment in 1892.

Geography According to the U.S. Census Bureau, the county has a total area of 566 square miles (1,470 km2), of which 561 square miles (1,450 km2) is land and 4.8 square miles (12 km2) (0.8%) is water. It is the fifth-smallest county in Idaho by area. Adjacent counties Washington County - northwest Adams County - north Valley County - northeast Boise County - east Ada County - south Canyon County - southwest Payette County - west National protected area Boise National Forest (part) Demographics Racial and ethnic composition 2020 census As of the 2020 census, there were 19,123 people, 7,199 households, and 4,585 families living in the county. The median age was 44.1 years, with 23.7% of residents under the age of 18 and 23.0% 65 years of age or older. For every 100 females there were 100.6 males, and for every 100 females age 18 and over there were 96.9 males age 18 and over. The racial makeup of the county was 86.9% White, 0.2% Black or African American, 0.8% American Indian and Alaska Native, 0.5% Asian, 0.1% Native Hawaiian and Pacific Islander, 4.0% from some other race, and 7.5% from two or more races. Hispanic or Latino residents of any race comprised 9.0% of the population. 53.2% of residents lived in urban areas, while 46.8% lived in rural areas. There were 7,199 households in the county, of which 29.2% had children under the age of 18 living with them and 21.4% had a female householder with no spouse or partner present. About 23.3% of all households were made up of individuals and 13.0% had someone living alone who was 65 years of age or older. There were 7,563 housing units, of which 4.8% were vacant. Among occupied housing units, 77.9% were owner-occupied and 22.1% were renter-occupied.

The history of Idaho is an examination of the human history and social activity within the state of Idaho, one of the United States of America located in the Pacific Northwest area near the west coast of the United States and Canada.

Indigenous inhabitants Humans may have been present in Idaho for 16,600 years. Recent findings in Cooper's Ferry along the Salmon River in western Idaho near the town of Cottonwood have unearthed stone tools and animal bone fragments in what may be the oldest evidence of humans in North America. Earlier excavations in 1959 at Wilson Butte Cave near Twin Falls revealed evidence of human activity, including arrowheads, that rank among the oldest dated artifacts in North America.

African-American York, a slave owned by William Clark but considered a full member of Corps of Discovery during expedition to the Pacific, was the first recorded African American in Idaho. There is a significant African American population made up of those who came west after the abolition of slavery. Many settled near Pocatello and were ranchers, entertainers, and farmers. Although free, many blacks suffered discrimination in the early-to-mid-late 20th century. The black population of the state continues to grow as many come to the state because of educational opportunities, to serve in the military, and for other employment opportunities. There is a Black History Museum in Boise, Idaho, with an exhibit known as the "Invisible Idahoan", which chronicles the first African-Americans in the state. Blacks are the fourth largest ethnic group in Idaho according to the 2000 census.

Elmore County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 28,666.

so included in the Boise-Mountain Home-Ontario, ID-OR Combined Statistical Area. History Elmore County was established February 7, 1889, with its county seat at Rocky Bar. It is named after the Ida Elmore mines, the area's greatest silver and gold producer of the 1860s, located near Silver City in Owyhee County. While the Oregon Trail crossed the Snake River in Elmore County, at Three Island Crossing near Glenns Ferry, the significant early settlements of Elmore County were mining settlements located primarily in northern Elmore County surrounding the ghost town of Rocky Bar. Settlement at Rocky Bar commenced in 1863 with the settlement having 560 residents at the Territorial Census of that year. Nearby, Atlanta was settled in 1864. Elmore County north of the Snake River was originally part of Alturas County when it was created in 1864 and Rocky Bar became its county seat. The portion of Elmore County south of the Snake River was within Owyhee County until 1930. A small portion of Ada County was also annexed in 1948, bringing Elmore to its present boundary. The settlement at Rocky Bar was impacted by poor management by mining companies, mining lawsuits, and its geographic remoteness between 1869 and 1880. The Wood River experienced a surge in settlement at Hailey starting in 1880 that led to Rocky Bar's loss of the county seat to Hailey in 1882. Rocky Bar would briefly become a county seat upon the creation of Elmore County in 1889. A station on the overland stage route, originally named Rattlesnake, was moved west to the railroad line and became Mountain Home. On February 4, 1891, the county seat was moved to Mountain Home. Construction of Mountain Home Air Force Base began in October 1942, twelve miles (19 km) southwest of Mountain Home. The base officially opened in August 1943 as a training base for bombers, and was an operational base under the Strategic Air Command (SAC) through 1965. It became a fighter base in 1966 under Tactical Air Command (TAC), which became Air Combat Command (ACC) in 1992. Anderson Ranch Dam is east of Mountain Home on the South Fork of the Boise River.

Geography According to the U.S. Census Bureau, the county has a total area of 3,101 square miles (8,030 km2), of which 3,075 square miles (7,960 km2) is land and 26 square miles (67 km2) (0.8%) is water. Elmore County's highest point is Snowyside Peak at 10,651 feet (3,246 m) above sea level, located in the northeast corner of the county in the Sawtooth Wilderness.

The Territory of Idaho was an organized incorporated territory of the United States that existed for over 27 years, from March 3, 1863, until July 3, 1890, when the final extent of the territory was admitted to the Union as the state of Idaho. History 1860s The territory was officially organized on March 3, 1863, by Act of Congress, and signed into law by President Abraham Lincoln. It is a successor region that was created by areas from existing territories undergoing parallel political transitions beginning with disputes over which country owned the region (See Oregon Country). By 1863, the area west of the Continental Divide that was formerly part of the huge Oregon Territory had been sundered from the coastal Washington Territory north of the young state of Oregon (1859) to the far west and the remnant of the Oregon Territory was officially "unorganized". Most of the area east of the Continental Divide had been part of the loosely defined Dakota Territory ending along the 49th parallel—now the border with Canada, then a colonial possession of Great Britain. The original newly organized territory covered all of the present-day states of Idaho and Montana and almost all of Wyoming, omitting only a corner in the state's extreme southwest portion. It was wholly spanned east-to-west by the bustling Oregon Trail and partly by the other emigrant trails, the California Trail and Mormon Trail which since hitting stride in 1847, had been conveying settler wagon trains to the west, and incidentally, across the continental divide into the Snake River Basin, a key gateway into the Idaho and Oregon Country interiors. The first territorial capital was at Lewiston, from 1863 to 1866; Boise was made the territorial capital in 1866 by a one-vote margin of the territorial supreme court. Congress failed to provide official criminal or civic codes for the Idaho territory upon its inception, so it was not until January 4, 1864, that the territory's original laws were adopted. The upheaval caused by the Civil War and Reconstruction was a distant concern to those in the comparatively stable Idaho Territory, a situation which encouraged settlement. In 1864, the Montana Territory was organized from the northeastern section of the territory east of the Bitterroot Range. Most of the southeastern area of the territory was made part of the Dakota Territory. In the late 1860s, Idaho Territory became a destination for displaced Southern Democrats who fought for the Confederacy during the Civil War. These people were well represented in the early territorial legislatures, which often clashed with the appointed Republican territorial governors. The political infighting became particularly vicious in 1867 when Governor David W. Ballard asked for protection from federal troops stationed at Fort Boise against the territorial legislature. By 1870, however, the political infighting had decreased considerably. In 1868, the areas east of the 111th meridian west became the newly created Wyoming Territory, and Idaho Territory assumed the boundaries of the modern state. The discovery of gold, silver, and other valuable natural resources throughout Idaho beginning in the 1860s, as well as the completion of the transcontinental railroad in 1869, brought many new people to the territory, including Chinese laborers who came to work the mines. As Idaho approached statehood, mining and other extractive industries became increasingly important to its economy.

1860s The territory was officially organized on March 3, 1863, by Act of Congress, and signed into law by President Abraham Lincoln. It is a successor region that was created by areas from existing territories undergoing parallel political transitions beginning with disputes over which country owned the region (See Oregon Country). By 1863, the area west of the Continental Divide that was formerly part of the huge Oregon Territory had been sundered from the coastal Washington Territory north of the young state of Oregon (1859) to the far west and the remnant of the Oregon Territory was officially "unorganized". Most of the area east of the Continental Divide had been part of the loosely defined Dakota Territory ending along the 49th parallel—now the border with Canada, then a colonial possession of Great Britain. The original newly organized territory covered all of the present-day states of Idaho and Montana and almost all of Wyoming, omitting only a corner in the state's extreme southwest portion. It was wholly spanned east-to-west by the bustling Oregon Trail and partly by the other emigrant trails, the California Trail and Mormon Trail which since hitting stride in 1847, had been conveying settler wagon trains to the west, and incidentally, across the continental divide into the Snake River Basin, a key gateway into the Idaho and Oregon Country interiors. The first territorial capital was at Lewiston, from 1863 to 1866; Boise was made the territorial capital in 1866 by a one-vote margin of the territorial supreme court. Congress failed to provide official criminal or civic codes for the Idaho territory upon its inception, so it was not until January 4, 1864, that the territory's original laws were adopted. The upheaval caused by the Civil War and Reconstruction was a distant concern to those in the comparatively stable Idaho Territory, a situation which encouraged settlement. In 1864, the Montana Territory was organized from the northeastern section of the territory east of the Bitterroot Range. Most of the southeastern area of the territory was made part of the Dakota Territory. In the late 1860s, Idaho Territory became a destination for displaced Southern Democrats who fought for the Confederacy during the Civil War. These people were well represented in the early territorial legislatures, which often clashed with the appointed Republican territorial governors. The political infighting became particularly vicious in 1867 when Governor David W. Ballard asked for protection from federal troops stationed at Fort Boise against the territorial legislature. By 1870, however, the political infighting had decreased considerably. In 1868, the areas east of the 111th meridian west became the newly created Wyoming Territory, and Idaho Territory assumed the boundaries of the modern state. The discovery of gold, silver, and other valuable natural resources throughout Idaho beginning in the 1860s, as well as the completion of the transcontinental railroad in 1869, brought many new people to the territory, including Chinese laborers who came to work the mines. As Idaho approached statehood, mining and other extractive industries became increasingly important to its economy.

1870s Construction began on the Idaho Territorial Prison in 1870; completed by 1872, it was in use for over a century as the state penitentiary, until late 1973. Placed on the National Register of Historic Places in 1974 for its significance as a territorial prison; the site currently contains museums and an arboretum. Almost immediately after Idaho Territory was created, a public school system was created and stage coach lines were established. Regular newspapers were active in Lewiston, Boise and Silver City by 1865. The first telegraph line reached Franklin in 1866, with Lewiston being the first town linked in northern Idaho in 1874. The first telephone call in the Pacific Northwest was made on May 10, 1878, in Lewiston. Although forming a sizable minority, members of the Church of Jesus Christ of Latter-day Saints in Idaho were held in suspicion by others in Idaho. By 1882, notable and powerful Idahoans successfully disenfranchised members of the Church of Jesus Christ of Latter-day Saints voters in Idaho Territory, citing their illegal practice of polygamy. Idaho was able to achieve statehood some six years before Utah, a territory which had a larger population and had been settled longer, but was majority members of the Church of Jesus Christ of Latter-day Saints with voting polygamists. There were four thousand Chinese living in the Idaho Territory from 1869 to 1875. Like many Chinese immigrants, they came to "Gold Mountain" to work as miners, or found work as laundrymen and cooks.

Payette County is a county located in Idaho, United States. As of the 2020 census, the population was 25,386. The county seat and largest city is Payette. Payette County is part of the Ontario micropolitan area. History The county was established in 1917, partitioned from Canyon County. It was named after the Payette River, which was named after French-Canadian François Payette.

History The county was established in 1917, partitioned from Canyon County. It was named after the Payette River, which was named after French-Canadian François Payette. Originally a fur trapper with the North West Company, Payette was the first white man in the area in 1818. Payette County is one of the few counties in Idaho to be the home to the endangered Idaho ground squirrel. Geography According to the U.S. Census Bureau, the county has a total area of 410 square miles (1,100 km2), of which 407 square miles (1,050 km2) is land and 3.4 square miles (8.8 km2) (0.8%) is water.

Geography According to the U.S. Census Bureau, the county has a total area of 410 square miles (1,100 km2), of which 407 square miles (1,050 km2) is land and 3.4 square miles (8.8 km2) (0.8%) is water.