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Geological Survey (U.S.)
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Shapefile
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Public
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Structure
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Dams
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1. Major Dams of the United States, 2002-2004
2002. Geological Survey (U.S.). This point shapefile portrays major dams of the United States, including Puerto Rico and the U.S. Virgin Islands. The map layer was created by extr... Geological Survey (U.S.).