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United States Naval Observatory

(Encyclopedia)United States Naval Observatory, a federal astronomical observatory, located in Washington, D. C. It evolved from the Navy's oldest scientific institution, the Depot of Charts and Instruments, founded...

United States Supreme Court

(Encyclopedia)United States Supreme Court: see Supreme Court, United States. ...

Waterford, town, United States

(Encyclopedia)Waterford, town (1990 pop. 17,930), New London co., SE Conn., on Long Island Sound; settled c.1653, inc. as a separate town from New London, 1801. Mainly residential, it has a recording and film studi...

Weber, river, United States

(Encyclopedia)Weber wēˈbər [key], river, c.125 mi (200 km) long, rising in the Uinta Mts., N central Utah, and flowing north and northwest to join the Ogden River at Ogden. The combined stream flows to the Great...

Saco, river, United States

(Encyclopedia)Saco, river, c.105 mi (170 km) long, rising in the White Mts., N central N.H. and flowing SE through Maine to the Atlantic Ocean below Biddeford. The falls at Biddeford, site of a hydroelectric dam (o...

Sacramento, river, United States

(Encyclopedia)Sacramento, longest river of Calif., c.380 mi (610 km) long, rising near Mt. Shasta, N Calif., and flowing generally SW to Suisun Bay, an arm of San Francisco Bay, where it forms a large delta with th...

Space Force, United States

(Encyclopedia)Space Force, United States (USSF), military force that forms a separate service within the U.S. Dept. of the Air Force, est. Dec. 20, 2019, by act of Congress. The head of the Space Force is the Chief...

Trinity , river, United States

(Encyclopedia)Trinity, river rising in N Texas in three forks; the Clear Fork runs into the West Fork at Fort Worth, and the Elm Fork joins the West Fork at Dallas. The Trinity then flows c.510 mi (820 km) SE to Tr...

Smithfield, town, United States

(Encyclopedia)Smithfield, town (1990 pop. 19,163), Providence co., N R.I.; set off from Providence and inc. 1731. Long a textile town, it now has diversified industries. It was settled early in the 18th cent., main...

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...