Columbia Encyclopedia

(Encyclopedia) Yankton, city (1990 pop. 12,703), seat of Yankton co., extreme SE S.Dak., on the Missouri River; inc. 1869. A railroad and trade center in an agricultural region, it has grain elevators, creameries, a...

(Encyclopedia) James. 1 Unnavigable river, 710 mi (1,143 km) long, rising in central N.Dak. and flowing across S.Dak. to the Missouri River at Yankton, S.Dak. Jamestown Dam on the river is an irrigation and flood co...

(Encyclopedia) Columbia, river, c.1,210 mi (1,950 km) long, rising in Columbia Lake, SE British Columbia, Canada. It flows first NW in the Rocky Mt. Trench, then hooks sharply about the Selkirk Mts. to flow S throug...

(Encyclopedia) White River. 1 River, c.690 mi (1,110 km) long, rising in the Boston Mts., NW Ark., and flowing first N into SW Missouri, then generally SE through NE Arkansas to the Mississippi River. Its chief trib...

(Encyclopedia) Omaha ōˈməhä, –hô [key], Native Americans whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages). They, with the Ponca, migrated from t...

(Encyclopedia) Missouri, University of, at Columbia (main campus), Rolla, Kansas City, and St. Louis; land-grant and state supported; coeducational; chartered 1839, opened 1841. It is the oldest state university W o...

(Encyclopedia) Oahe Dam ōwäˈhē [key], major unit of the Missouri River basin project, 242 ft (74 m) high and 9,360 ft (2,853 m) long, on the Missouri River, central S.Dak., near Pierre; built 1948–63 by the U....

(Encyclopedia) Boise, river, c.160 mi (260 km) long, rising in SW Idaho and flowing west to join the Snake River at the Oregon line. In 1811 the Boise River, originally called Reed's River, was explored by an expedi...

(Encyclopedia) Fox, river, 176 mi (283 km) long, rising in S central Wis. and flowing SW to within 1.5 mi (2.4 km) of Portage, Wis., on the Wisconsin River, then NE through Lake Winnebago into Green Bay, an arm of L...

(Encyclopedia) Salmon, river, c.425 mi (680 km) long, rising in many branches in the Sawtooth and the Salmon River mts., central Idaho. It flows northeast and is joined, at Salmon, by the Lemhi River, after which it...