Columbia Encyclopedia

Search results

500 results found

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...

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 ...

Petrozavodsk

(Encyclopedia)Petrozavodsk pyĕtˌrəzəvôtskˈ [key], city (1989 pop. 269,500), capital of Karelia, NW European Russia, a port on Lake Onega. It produces lumbering equipment and has shipyards, fish canneries, saw...

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...

Ozarks, Lake of the

(Encyclopedia)Ozarks, Lake of the, artificial lake, 93 sq mi (241 sq km), c.130 mi (210 km) long, central Mo., largest reservoir in the state; created by the impounding of the Osage River by Bagnell Dam. Its irregu...