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Clearwater,residential and resort city (1990 pop. 98,784), seat of Pinellas co., W central Fla., on the Pinellas peninsula, between Clearwater Bay and the Gulf of Mexico; inc. 1891. A tourist center since 1896, it is now also a retirement haven, with a population more than six times that of 1960. A causeway connects the city proper with 4 mi (6.4 km) of white sand barrier beaches on the Gulf. Clearwater was settled after the establishment of Fort Harrison in 1841. It is linked with Tampa by a causeway across Old Tampa Bay to the east. It is the seat of Clearwater Christian College, and since the 1970s has been a major center for the Church of Scientology.
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 in 1860, when gold was discovered and mining camps were set up on the river's southern fork.
a mountain range in Idaho. Length, approximately 120 km; average elevation, 2,000 m; maximum elevation, 2,443 m. The mountains are largely granite, with sharp peaks, crests, steep slopes, and glaciers. Up to 1,800 m the range is covered with coniferous forests of spruce and pine; higher are alpine meadows. The Clearwater Mountains are a tourist attraction.