The United States Forest Service holds about 38 of Idaho's land, the most of any state.
Industries significant for the state economy include manufacturing, agriculture, mining, forestry, and tourism.
A 1956 Idaho history textbook says: "Idaho" is a Shoshoni Indian exclamation. The first is "Ee", which in English conveys the idea of "coming down". Idaho also shares a short border with the Canadian province of British Columbia to the north.
The second is "dah" which is the Shoshoni stem or root for both "sun" and "mountain". The landscape is rugged with some of the largest unspoiled natural areas in the United States.
Other significant rivers include the Coeur d'Alene River, the Spokane River, the Boise River, and the Payette River.
The Salmon River empties into the Snake in Hells Canyon and forms the southern boundary of Nez Perce County on its north shore, of which Lewiston is the county seat.
) is a state in the northwestern region of the United States. Idaho was eventually admitted to the Union on July 3, 1890, becoming the 43rd state.
Idaho's highest point is Borah Peak, 12,662 ft (3,859 m), in the Lost River Range north of Mackay.
Winters can be cold, although extended periods of bitter cold weather below zero are unusual.
Idaho's all-time highest temperature of 118 °F (48 °C) was recorded at Orofino on July 28, 1934; the all-time lowest temperature of −60 °F (−51 °C) was recorded at Island Park Dam on January 18, 1943.
However, the name "Idaho" did not fall into obscurity.
The same year Congress created Colorado Territory, a county called Idaho County was created in eastern Washington Territory.
The official state nickname is the "Gem State", which references Idaho's reputation for gemstones and, more broadly, its many wilderness areas.