Historic Photographs

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Lock Gates



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Chesapeake & Ohio Canal
Stop Gate at Lock 16, Potomac, Montgomery County, MD

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Chesapeake & Ohio Canal
Stop Lock at Dam 4, Dam 4 Road, Williamsport, Washington County

Moore Haven Lock
Hurricane Gate No. 1, Cross-State Canal, Okeechobee Intracoastal Waterwa, Moore Haven

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Upper Mississippi River 9-Foot Channel
Lock & Dam No. 9, Lynxville, Crawford County, WI