Columbia Encyclopedia

(Encyclopedia) rock crystal: see quartz.

(Encyclopedia) rock rabbit: see pika.

(Encyclopedia) rock temple: see temple.

(Encyclopedia) rock salt: see sodium chloride.

(Encyclopedia) Black Rock Desert, arid region of lava beds and alkali flats, NW Nev., in Toiyabe National Forest, stretching c.70 mi (110 km) NE from Gerlach. The Jackson Mts. rise to the east; the Black Rock Range ...

(Encyclopedia) Little Entente äntäntˈ [key], loose alliance formed in 1920–21 by Czechoslovakia, Romania, and Yugoslavia. Its specific purposes were the containment of Hungarian revisionism (of the terms of the...

(Encyclopedia) rock and roll: see rock music.

(Encyclopedia) rock 'n' roll: see rock music.

(Encyclopedia) Little Bighorn, river, c.90 mi (145 km) long, rising in the Bighorn Mts., N Wyo., and flowing north to join the Bighorn River in S Mont. On June 25–26, 1876, Sioux and Cheyenne warriors defeated the...

(Encyclopedia) Little Sioux so͞o [key], river, 221 mi (356 km) long, rising in SW Minn. and flowing generally SW across NW Iowa to the Missouri River S of Sioux City. Flowing through a rich agricultural area in the...