48223678(38) | Franklin D. Roosevelt Presidential Library & Museum
November 16, 1934
Original caption reads: "US Engineers. Mississippi River Lock #18. 'PWA' Contract #W741 Eng 1400. Placing concrete & erection of gates, lower main lock chamber looking upstream. Lock #18, Burlington, Iowa, under construction." Public Works Administration. US Army Corps of Engineers.
Franklin D. Roosevelt Presidential Library & Museum
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