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Description
Makeshift survey launch operating on Lake Roosevelt, the Grand Coulee Dam (Image credit: Family of Captain David M. Whipp, C&GS; Family of Captain David M. Whipp, USC&GS;)
Credit
Family of Captain David M. Whipp, C&GS; Family of Captain David M. Whipp, USC&GS;
Display Date
1948
Collection
Sailing for Science