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Rock Falls

(Encyclopedia)Rock Falls, city (1990 pop. 9,654), Whiteside co., NW Ill., on the Rock River opposite Sterling; inc. 1867. It is an industrial center in a farm region with corn, soybeans, cattle, and hogs. Electroni...

rock garden

(Encyclopedia)rock garden, garden planned around natural rock formations or rocks artificially arranged to simulate natural (often mountainous) conditions. The concept of rock gardens is believed to have been intro...

rock rabbit

(Encyclopedia)rock rabbit: see pika.

Rock River

(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.

sedimentary rock

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

Percé Rock

(Encyclopedia)Percé Rock pĕrsāˈ [key], E Que., Canada, just off the tip of the Gaspé Peninsula. It is a massive rock (1,420 ft/433 m long; c.300 ft/90 m wide; and 290 ft/88 m at the highest point), rising shee...

Ayers Rock

(Encyclopedia)Ayers Rock, monolith, Australia: alternative name for Uluru. See Uluru–Kata Tjuta National Park. ...