Columbia Encyclopedia

Search results

500 results found

Semipalatinsk Test Site

(Encyclopedia)Semipalatinsk Test Site, Soviet nuclear testing site, c.6,950 sq mi (18,000 sq km), NE Kazakhstan, near the city of Kurchatov and some 90 mi (150 km) W of Semey (formerly Semipalatinsk). Between 1949 ...

Vancouver, city, United States

(Encyclopedia)Vancouver, city (1990 pop. 46,380), seat of Clark co., SW Wash., on the Columbia River opposite Portland, Oreg., with which it is connected by bridges; inc. 1857. A rapidly growing suburb of Portland ...

Davis Mountains

(Encyclopedia)Davis Mountains, W Tex., SE of El Paso. Old Baldy, 8,382 ft (2,555 m), is the highest peak. Forested slopes, springs, and deep canyons attract tourists. On the summit of Mt. Locke, 6,791 ft (2,070 m) ...

pony express

(Encyclopedia)pony express, in U.S. history, relay mail service. At its inception in Apr., 1860, the pony express operated between St. Joseph, Mo., the western end of a telegraph line, and Sacramento, Calif. Riders...

National Security Agency

(Encyclopedia)National Security Agency (NSA), an independent agency within the U.S. Dept. of Defense. Founded by presidential order in 1952, its primary functions are to collect and analyze communications intellige...

Washita

(Encyclopedia)Washita wŏshˈĭtô [key], river, c.450 mi (720 km) long, rising in the Texas Panhandle near the Okla. line and flowing generally SE across Oklahoma to Lake Texoma or the Red River. The Native Americ...

Albemarle Sound

(Encyclopedia)Albemarle Sound, large inland body of generally fresh water, c.55 mi (90 km) long, from 3 to 14 mi (4.8–22 km) wide, NE N.C. Shallow and tideless, the sound is separated from the Atlantic Ocean by a...

Valois, historic region, France

(Encyclopedia)Valois, historic region, now comprised in Aisne and Oise depts., N France. Crépy-en-Valois was its historic capital. It is a rich agricultural area. A county and later a duchy, Valois was the appanag...

Fort Peck Dam

(Encyclopedia)Fort Peck Dam, 21,430 ft (6,531 m) long and 250 ft (76 m) high, on the Missouri River, NE Mont.; one of the world's largest earth-filled dams. The dam was built (1933–40) by the U.S. Army Corps of E...

Pacific Rim National Park

(Encyclopedia)Pacific Rim National Park, 60 sq mi (155 sq km), along the west coast of Vancouver Island, near Ucluelet, SE British Columbia, Canada; est. 1971. The park includes Long Beach, several islands, the his...