Traverse measurements in sub-zero conditions.
Making front contact.
Traverse party of Casper Durgin
Image ID: theb1665, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Canada - Minnesota border
Photo Date: 1924
Credit: Society of American Military Engineers
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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