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Idaho

(Encyclopedia)CE5 Idaho īˈdəhō [key], one of the Rocky Mt. states in the NW United States. It is bordered by Montana and Wyoming (E), Utah and Nevada (S), Oregon and Washington (W), and the Canadian province...

Idaho Falls

(Encyclopedia)Idaho Falls, city (2020 pop. 64,818), seat of Bonneville co., SE Idaho, traversed by the Snake River; inc. 1900. The chief city of the extensively irrig...

Idaho, University of

(Encyclopedia)Idaho, University of, mainly at Moscow; land-grant and state supported; coeducational; chartered and opened 1889. Among its facilities are the Water and Energy Resources Institute and the Forest, Wild...

Clearwater, river, United States

(Encyclopedia)Clearwater, river, c.190 mi (305 km) long, rising in several branches in the Bitterroot Range, N Idaho, and flowing west to join the Snake River at Lewiston, Idaho. The gold-mining era in Idaho began ...

Snake, river, United States

(Encyclopedia)Snake, river, 1,038 mi (1,670 km) long, NW United States, the chief tributary of the Columbia; once called the Lewis River. The Snake rises in NW Wyoming, in Yellowstone National Park, flows through J...

Argonne National Laboratory

(Encyclopedia)Argonne National Laboratory, research center, based in Argonne, Ill., 27 mi (43 km) SW of downtown Chicago, with other facilities at the Idaho National Engineering Laboratory, 50 mi (80 km) W of Idaho...

Boise, city, United States

(Encyclopedia)Boise boiˈsē, –zē [key], city (2020 pop. 235,684), state capital...

Caldwell

(Encyclopedia)Caldwell, city (2020 pop. 59,996), seat of Canyon co., SW Idaho, on the Boise River; inc. 1890. On the site of an Oregon Trail camping ground, the city ...

Spokane, city, United States

(Encyclopedia)Spokane spōkănˈ [key], city (1990 pop. 177,196), seat of Spokane co., E Wash., at the spectacular falls of the Spokane River; inc. 1881. It is a port of entry and the commercial, transportation, an...

Pend Oreille Lake

(Encyclopedia)Pend Oreille Lake pŏnˌdərāˈ [key], 148 sq mi (383 sq km), 65 mi (105 km) long, and 1,200 ft (366 m) deep, N Idaho; largest lake in Idaho and one of the largest and deepest lakes in the United Sta...