GeoData @ UCB

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You searched for: Subject Locks (Hydraulic engineering) Remove constraint Subject: Locks (Hydraulic engineering)
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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.