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(Encyclopedia)Rock River, c.285 mi (460 km) long, rising in SE Wis. and flowing SW through NW Ill. to the Mississippi River near Rock Island. It flows through a fertile farm area. Rockford, Ill., is the chief city ...

rock salt

(Encyclopedia)rock salt: see sodium chloride.

Rock Springs

(Encyclopedia)Rock Springs, city (1990 pop. 19,050), alt. c.6,270 ft (1,910 m), Sweetwater co., SW Wyo., on Bitter Creek; inc. 1888. It is a cattle and sheep shipping point and the center of large natural trona min...

rock temple

(Encyclopedia)rock temple: see temple.

White Rock

(Encyclopedia)White Rock, city (1991 pop. 16,314), SE British Columbia, Canada, on Georgia Strait and on the U.S. border. The city is a customs port and resort center with a residential area. ...

calcareous rock

(Encyclopedia)calcareous rock: see limestone; marble. ...

Starved Rock

(Encyclopedia)Starved Rock, cliff, 140 ft (43 m) high, overlooking the Illinois River between La Salle and Ottawa, N Ill. Legend says that in the 18th cent. the Ottawas drove a band of Illinois onto the cliff, wher...

sedimentary rock

(Encyclopedia)sedimentary rock: see rock; sediment. ...

McFadden, Daniel Little

(Encyclopedia)McFadden, Daniel Little, 1937–, American economist, b. Raleigh, N.C., Ph.D. Univ. of Minnesota, 1962. McFadden has taught at the Univ. of California, Berkeley (1963–79, 1990–) and the Massachuse...