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Start Over You searched for: Resource Type Point data Remove constraint Resource Type: Point data Creator Institute for Water Resources (U.S.). Navigation Data Center Remove constraint Creator: Institute for Water Resources (U.S.). Navigation Data Center

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2012. United States. Bureau of Transportation Statistics and Institute for Water Resources (U.S.). Navigation Data Center. This point shapefile depicts physical information on commercial facilities at the principal United States coastal, Great Lakes and inland ports. Th... United States. Bureau of Transportation Statistics.
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.