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![Nancy Mast, daughter of Carl Mast, at a field camp at Sioux Falls, Iowa, duringher father's 1940's stint in geodesy cgs01953.jpg Nancy Mast, daughter of Carl Mast, at a field camp at Sioux Falls, Iowa, duringher father's 1940's stint in geodesy](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs01953.jpg?itok=T41-K-cw)
Description
Nancy Mast, daughter of Carl Mast, at a field camp at Sioux Falls, Iowa, duringher father's 1940's stint in geodesy. A Coast and Geodetic Survey truckis in the background. (Image credit: Family of Captain Carl Mast, USC&GS; (dec.))
Credit
Family of Captain Carl Mast, USC&GS; (dec.)
Display Date
1943 ca.
Collection
Historic Coast & Geodetic Survey