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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...

Tennessee, river, United States

(Encyclopedia)Tennessee, river, c.650 mi (1,050 km) long, the principal tributary of the Ohio River. It is formed by the confluence of the Holston and French Broad rivers near Knoxville, Tenn., and follows a U-shap...

Teton , rivers, United States

(Encyclopedia)Teton tētŏnˈ [key]. 1 River, 143 mi (230 km) long, rising in several branches in the Rocky Mts., NW Mont., and flowing E to the Marias River. Bynum Reservoir, on a tributary, is a unit in the irrig...

Thames , river, United States

(Encyclopedia)Thames thāmz [key], river, c.15 mi (25 km) long, formed by the confluence of the Yantic and Shetucket rivers at Norwich, E Conn., and flowing south to Long Island Sound at New London. Primarily a tid...

Blue Mountains, United States

(Encyclopedia)Blue Mountains, uplifted, eroded part of the Columbia Plateau, c.6,500 ft (1,980 m) high, NE Oreg. and SE Wash. Lava flows cover much of the surface. The upper, wooded slopes are used for lumbering. R...

Boise, river, United States

(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...

Wisconsin, river, United States

(Encyclopedia)Wisconsin, river, c.430 mi (690 km) long, rising in the lake district, NE Wis., and flowing generally SW across central Wis. to the Mississippi River near Prairie du Chien. At Portage it is connected ...