Dams

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District of Columbia

Feature Name County Class Latitude Longitude 1:24,000 USGS Topographic Map Elevation in Feet Feature ID# Lock 1 District of Columbia Dam 385414N 0770326W Washington West 3 530607 Lock 2 District of Columbia Dam 385414N 0770330W Washington West 13 530606 Lock 3 District of Columbia Dam 385415N 0770334W Washington West 20 530605 Lock 4 District of Columbia Dam 385415N 0770338W Washington West 20 530604 Tidewater Lock District of Columbia Dam 385358N 0770327W Washington West 0 528920