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Institute for Water Resources (U.S.). Navigation Data Center
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United States. Bureau of Transportation Statistics
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Location
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Transportation
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Ships
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Stanford
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Washington (D.C.)
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2013
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1. 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.