Columbia Encyclopedia

Search results

500 results found

Great Bear Lake

(Encyclopedia)Great Bear Lake, largest lake of Canada and fourth largest of North America, c.12,275 sq mi (31,800 sq km), c.190 mi (310 km) long and from 25 to 110 mi (40–177 km) wide, Northwest Territories, on t...

Steep Rock Lake

(Encyclopedia)Steep Rock Lake, 4 mi (6.4 km) long and 3 mi (4.8 km) wide, SW Ont., Canada, W of Lac des Mille Lacs. It is the site of important iron ore mining. Part of the lake was drained to facilitate the mining...

lake, in dyeing

(Encyclopedia)lake, in dyeing, an insoluble pigment formed by the reaction between an organic dye and a mordant. The color of a lake depends upon the mordant as well as the dye used. Generally, lakes are not as col...

Boulder City

(Encyclopedia)Boulder City, residential city (2020 pop. 16,701), S Nev., just W of Hoover Dam near Lake Mead; inc. 1959. Built (1932) by the federal government as hea...

Tana, lake, Ethiopia

(Encyclopedia)Tana tsäˈnä [key], largest lake of Ethiopia, c.1,400 sq mi (3,630 sq km), S of Gondar. It is fed by more than 60 streams, one of which is regarded as the source of the Blue Nile. The islands in the...

Kati Thanda–Lake Eyre

(Encyclopedia)Kati Thanda–Lake Eyre, formerly Lake Eyre, shallow salt lake, central South Australia state, Australia. The lake, in fact two lakes connected by a channel, is the continent's lowest point (49 ft/15 ...

Saint John, Lake

(Encyclopedia)Saint John, Lake, Canada: see Saguenay, river. ...

Crater Lake National Park

(Encyclopedia)Crater Lake National Park, 183,224 acres (74,206 hectares), SW Oreg., in the Cascade Range; est. 1902. Crater Lake, 20 sq mi (52 sq km), lies in a huge pit that was created when the top of a prehistor...

Saint Francis, Lake

(Encyclopedia)Saint Francis, Lake, an expansion of the St. Lawrence River, SE Ont. and S Que., Canada, SW of Montreal, extending between Cornwall and Valleyfield. It is part of the St. Lawrence Seaway. ...

lake, body of water

(Encyclopedia)lake, inland body of standing water occupying a hollow in the earth's surface. The study of lakes and other freshwater basins is known as limnology. Lakes are of particular importance since they act a...

Browse by Subject