You searched for: Access Public Remove constraint Access: Public Subject Shipping Remove constraint Subject: Shipping Subject Rivers Remove constraint Subject: Rivers 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.
2011. Vanderbilt Engineering Center for Transportation Operations and Research, United States. Bureau of Transportation Statistics, and Waterborne Commerce Statistics Center (U.S.). The National Waterway Network is comprised of a link database and a node database. Links are line strings, which consist of beginning and end point... United States. Bureau of Transportation Statistics.