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 Format Shapefile Remove constraint Format: Shapefile 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 Locks (Hydraulic engineering) Remove constraint Subject: Locks (Hydraulic engineering) Place Washington (D.C.) Remove constraint Place: Washington (D.C.) Data type Point Remove constraint Data type: Point
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.