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Ottawa, cities, United States

(Encyclopedia)Ottawa. 1 City (1990 pop. 17,451), seat of La Salle co., N central Ill., at the confluence of the Fox and Illinois rivers, in a fertile farm area; inc. as a city 1853. The city has diversified agricul...

W and Z particles

(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...

Lake Clark National Park and Preserve

(Encyclopedia)Lake Clark National Park and Preserve, S Alaska. Located across Cook Inlet from Anchorage, the park (2,619,733 acres/1,060,621 hectares) and adjacent preserve (1,410,325 acres/570,982 hectares) featur...

Shire

(Encyclopedia)Shire or Shiré both: shēˈrā [key], river, c.250 mi (400 km) long, flowing from the southern end of Lake Nyasa, Malawi, SE Africa, to the Zambezi River in central Mozambique. It is navigable to Nsa...

Tahquamenon

(Encyclopedia)Tahquamenon təkwäˈmənən, –mənŏnˌ [key], river, c.80 mi (130 km) long, rising in the E Upper Peninsula, N Mich., and flowing E and NE to Whitefish Bay of Lake Superior. It was once a well-kno...

Navy Island

(Encyclopedia)Navy Island, in the Niagara River, just above Niagara Falls, S Ont., Canada. It is famous as the scene of the last stand made by William Lyon Mackenzie and some of his fellow rebels in the Upper Canad...

Campbell, Robert, Canadian fur trader and explorer

(Encyclopedia)Campbell, Robert, 1808–94, Canadian fur trader and explorer, b. Scotland. Employed as a young man by the Hudson's Bay Company, he was sent in 1834 to the Mackenzie River region, where he remained un...

Dong Nai

(Encyclopedia)Dong Nai or Donnai both: dôngˈnīˈ [key], river, c.300 mi (480 km) long, rising as the Da Dung in the mountains of S central Vietnam. It flows SW past Bien Hoa and joins with the Saigon River below...

South Platte

(Encyclopedia)South Platte plăt [key], river, c.450 mi (720 km) long, rising in the Rocky Mts. in many branches, which then join in central Colorado. It flows in a narrow canyon E and NE to Denver, then NE across ...

Hunter Valley

(Encyclopedia)Hunter Valley, region of New South Wales, SE Australia. The Hunter River and its tributaries occupy this valley S of the Mt. Royal Range. The land in the upper valley is used for livestock grazing, da...