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United States. Bureau of Transportation Statistics
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Public
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Location
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Transportation
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Subject
Barges
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Subject
Locks (Hydraulic engineering)
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Institution
Stanford
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United States
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Year
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.