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![Reading depths off fathometer on the left and recording depthsin field record book on right theb4320.jpg Reading depths off fathometer on the left and recording depthsin field record book on right](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb4320.jpg?itok=knrNqxRd)
Description
Reading depths off fathometer on the left and recording depthsin field record book on right. (Image credit: Family of Captain David M. Whipp, C&GS;)
Credit
Family of Captain David M. Whipp, C&GS;
Display Date
1948
Location
Washington, Grand Coulee Dam, Columbia River
Collection
Historic Coast & Geodetic Survey