Additionally, around 38 percent of Idaho's land is held by the United States Forest Service, the most of any state.
Industries significant for the state economy include manufacturing, agriculture, mining, forestry, and tourism.
territory with the signing of the Oregon Treaty of 1846, but a separate Idaho Territory was not organized until 1863, instead being included for periods in Oregon Territory and Washington Territory.
Idaho is quite mountainous, and contains several stretches of the Rocky Mountains.
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.A number of science and technology firms are either headquartered in Idaho or have factories there, and the state also contains the Idaho National Laboratory, which is the largest Department of Energy facility in the country.Idaho's agricultural sector supplies a number of different products, but the state is best known for its potato crop, which comprises around one-third of the nationwide yield.The third syllable, "how", denotes the exclamation and stands for the same thing in Shoshoni that the exclamation mark (! The Shoshoni word is "Ee-dah-how", and the Indian thought thus conveyed when translated into English means, "Behold! For example, at 2.3 million acres (930,000 ha), the Frank Church-River of No Return Wilderness Area is the largest contiguous area of protected wilderness in the continental United States.Idaho is a Rocky Mountain state with abundant natural resources and scenic areas.The Port of Lewiston, at the confluence of the Clearwater and the Snake Rivers is the farthest inland seaport on the West Coast at 465 river miles from the Pacific at Astoria, Oregon.Idaho's highest point is Borah Peak, 12,662 ft (3,859 m), in the Lost River Range north of Mackay.Shoshone Falls plunges down rugged cliffs from a height greater than Niagara Falls.The major rivers in Idaho are the Snake River, the Clark Fork/Pend Oreille River, the Clearwater River, and the Salmon River.Regardless, a portion of Washington Territory, including Idaho County, was used to create Idaho Territory in 1863.Despite this lack of evidence for the origin of the name, many textbooks well into the 20th century repeated as fact Willing's account the name "Idaho" derived from the Shoshone term "ee-da-how". The states of Washington and Oregon are to the west, Nevada and Utah are to the south, and Montana and Wyoming are to the east.