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Nyos, Lake

(Encyclopedia)Nyos, Lake nēōsˈ [key], freshwater lake in a volcanic crater in North-West prov., Cameroon, 15 mi (24 km) ENE of Wum. On Aug. 21, 1986, carbon dioxide gas was released from the mineral-saturated wa...

Onega, Lake

(Encyclopedia)Onega, Lake, Finnish Aäninen, Rus. Onezhskoye Ozero, lake, c.3,800 sq mi (9,800 sq km), NW European Russia, in Karelia, between Lake Ladoga and the White Sea. The second largest lake in Europe, it is...

Oneida Lake

(Encyclopedia)Oneida Lake ōnīˈdə [key], c.80 sq mi (210 sq km), 22 mi (35 km) long and 1 to 5 mi (1.6–8.1 km) wide, central N.Y., NE of Syracuse. The New York State Canal System links the eastern end of the l...

Onondaga Lake

(Encyclopedia)Onondaga Lake ŏnəndäˈgə, –dôˈ– [key], brackish lake, 5 mi (8 km) long and 1 mi (1.6 km) wide, central N.Y., NW of Syracuse. In 1654, Father LeMoyne, a missionary, was taken to salt springs ...

Ontario, Lake

(Encyclopedia)Ontario, Lake, 7,540 sq mi (19,529 sq km), 193 mi (311 km) long and 53 mi (85 km) at its greatest width, between SE Ont., Canada, and NW N.Y.; smallest and lowest of the Great Lakes. It has a surface ...

Ngami, Lake

(Encyclopedia)Ngami, Lake əng-gäˈmē, ng– [key], reedy marsh, c.40 mi (64 km) long and from 4 to 8 mi (6.4–12.9 km) wide, NW Botswana. During the Pleistocene epoch, the lake covered an extensive area. Since ...

Nicaragua, Lake

(Encyclopedia)Nicaragua, Lake, 3,089 sq mi (8,001 sq km), c.100 mi (160 km) long and up to 45 mi (72 km) wide, SW Nicaragua; the largest lake of Central America. It is drained into the Caribbean Sea by the San Juan...

Nipigon, Lake

(Encyclopedia)Nipigon, Lake nĭpˈĭgŏn [key], c.1,870 sq mi (4,840 sq km), central Ont., Canada. It has many islands. Its outlet, the Nipigon River (40 mi/64 km long) flows south, past the logging town of Nipigon...

Nipissing, Lake

(Encyclopedia)Nipissing, Lake nĭpˈĭsĭng [key], c.350 sq mi (910 sq km), S Ont., Canada, between the Ottawa River and Georgian Bay. It extends west from the city of North Bay and is drained SW by the French Rive...

Avon Lake

(Encyclopedia)Avon Lake āˈvän [key], city (2020 pop. 25,206), Lorain co., NE Ohio, on Lake Erie; inc. 1917. It is chiefly a residential suburb of the Cleveland–NE Ohio industrial a...