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Start Over You searched for: Author Institute for Water Resources (U.S.). Navigation Data Center Remove constraint Author: Institute for Water Resources (U.S.). Navigation Data Center Publisher United States. Bureau of Transportation Statistics Remove constraint Publisher: United States. Bureau of Transportation Statistics Subject Structure Remove constraint Subject: Structure Subject Transportation Remove constraint Subject: Transportation Subject Location Remove constraint Subject: Location Subject Shipping Remove constraint Subject: Shipping Subject Barges Remove constraint Subject: Barges Place Washington (D.C.) Remove constraint Place: Washington (D.C.) Data type Point Remove constraint Data type: Point

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1. Waterway Locks: United States, 2013

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2013. Institute for Water Resources (U.S.). Navigation Data Center. This point shapefile contains the locations of waterways locks in the United States. The Navigation Data Center had several objectives in developin... United States. Bureau of Transportation Statistics.