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1. Major Ports: Puerto Rico and United States, 2013

2013. Waterborne Commerce Statistics Center (U.S.) and United States. Bureau of Transportation Statisticsf. This point shapefile depicts ports politically defined by port limits or USACE projects, excluding non-USACE projects not authorized for publicatio... United States. Bureau of Transportation Statistics.

2. Waterway Locks: United States, 2013

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.