full name State of Idaho
POSTAL ABBREVIATION ID
ADMITTED TO THE UNION July 3, 1890.
capital city Boise, the largest city in the state, located on the Boise River in southIdaho; population 125,738. Origian army camp, it was founded as a settlement in 1863 and was incorporated as a city the following year, when it also bethe territorial capital.
state name and nicknames The name "Idais an artificial Indian word invented by George M. Willing. Also known as the Gem State and the Gem of the Mountains (the putative meaning of "Idaho").
state seal In the center is a shield showing a landscape, with the Snake River, mouna fir tree, and a farmer at the plow. Above the shield is an elk's head and the
state motto on a scroll; below it is a sheaf of wheat; to the right is a miner; to the left a woman holding symbols of justice and liberty. Along the bottom are agricultural symbols, including two cornucopias, the state flower, and ripened wheat. The yel-low border reads "Great Seal of the State of Idaho."
The western state of Idaho belongs to the Mountain states. It is bordered on the north by Canada, on the east by Montana and Wyoming, on the south by Nevada and Utah, and on the west by Oregon, Washington, and the Snake River. It ranks 42nd in population and 14th in area among the states.
motto Esto Perpetua (It Is Forever)
song "Here We Have Idaho," lyrics by McKinley Helm and Albert J. Tompkins, music by Sallie Hume Douglas.
Flower syringa Tree white pine Bird mountain bluebird Gem star garnet Horse Appaloosa flag A blue field with the state seal in the center and below it a red band bearing the legend "State of Idaho."
As a Rocky Mountain state, Idaho is domi-nated by mountain terrain, with the ContiDivide forming Idaho's eastern bor-der. The state contains some of the largest stretches of unspoiled wilderness in the continental U.S., with a wide diversity of flora and game. Idaho also boasts more than 2,000 lakes and ten major rivers. Heavily irrigated farmland lines the Snake River valley, the state's major drainage; Hell's Canyon, along the western Snake River, is the deepest gorge—about one mile in depth—in North America.
elevations Highest point-. Borah Peak, Cus-
ter County, 12,662 feet. Lowest point. Snake River, Nez Perce County, 710 feet. Mean elevation: 5,000 feet
major rivers Snake, Salmon, Clearwater
major lakes Pend Oreille, Coeur d'Alene, Priest, Bear, American Falls, Cascade, and Dworshak
temperatures (1990) The highest recorded temperature was 118°F on July 28, 1934, at Orotino. The lowest was —60°F on January 18, 1943, at Island Park Dam.
IDAHO IN HISTORY
1805 A U.S. expedition led by Meriwether Lewis and William Clark crosses what is now the Idaho panhandle en route to the Pacific coast.
1809 David Thompson of the North West Company establishes a trading post on the eastern shore
of Lake Pend Oreille.
1810 Andrew Henry of the Missouri Fur Company establishes a camp on the fork of the Snake River but abandons it the following year.
1818 The United States and Great Britain agree on joint occupancy of the Pacific Northwest, including what is now Idaho.
1834 Fort Hall and Fort Boise are constructed to aid fur traders; these posts become stops on the Oregon Trail, which by 1845 is a well-traveled road.
1836 Henry Spalding establishes a mission to the Nez Perce Indians at Lapwai.
1846 June 15. A treaty with Great Britain establishes the Pacific Northwest below the 49th parallel as U.S. territory.
1848 August 14. Oregon Territory is created, including present-day Idaho.
1855 A treaty with the Koutenai, Pend Oreille, and Flathead Indians creates reservafor them in what is now Idaho and Montana. A treaty with the Nez Perce establishes for them a reserve in what is now Idaho, Oregon, and Washington.
I860 June 15. First permanent settlement in Idaho, at Franklin, by Mormons from Utah. In 1911 this day is proclaimed Pioneer Day.
1862 The Golden Age is Idaho's first newspaper and is published in Lewiston.