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Eider, river, Germany

(Encyclopedia) Eider īˈdər [key], river, 117 mi (188 km) long, rising S of Kiel, N Germany, and flowing N to the Kiel Canal before turning west and meandering to the North Sea at Tönning. It is navigable for mos...

water power

(Encyclopedia) water power, mechanical energy derived from falling or flowing water, e.g., rivers, streams, and the overflow of dams. The wooden water wheel, long utilized for driving machinery in flour mills and fa...

Parker Dam

(Encyclopedia) Parker Dam, at the Ariz.–Calif. line, on the Colorado River; completed 1938. It is 320 ft (98 m) high and 856 ft (261 m) long. The dam impounds water for Los Angeles and other coastal cities, has a ...
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