Nancy Mast, daughter of Carl Mast, at a field camp at Sioux Falls, Iowa, during
her father's 1940's stint in geodesy. A Coast and Geodetic Survey truck
is in the background.
Image ID: cgs01953, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1943 ca.
Credit: Family of Captain Carl Mast, USC&GS (dec.)
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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June 10, 2016