Dam No. 4 Hydroelectric Plant, Potomac River, Martinsburg, Berkeley County, WV

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Significance: Each plant epitomized the predominant low head hydroelectric technology in use at the time of its construction, Dam 4 uses tandem, multiple-runner, horizontal shaft turbines connected by rope drives to horizontal shaft generators. This plant is probably the last commercially operated rope-driven hydroelectric plant in the United States.

Unprocessed Field note material exists for this structure: FN-16

Survey number: HAER WV-27

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hydroelectric power plants martinsburg dam hydroelectric hydroelectric plant potomac potomac river berkeley berkeley county energy generation west virginia historic american engineering record photo ultra high resolution high resolution library of congress power plants electric power

1969 - 1980

Historic American Engineering Record, creator

Martinsburg , 39.45621, -77.96389

Library of Congress

http://www.loc.gov/

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html