Comparison between tent camps and trailer camps.
An overnight innovation - trailers became the only way to go in 1935.
Triangulation party of Carl I. Aslakson
Image ID: theb2672, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: April 1934 to May 1935
Credit: Captain Ray Tryon, C&GS
Category: Geodesy/Camping Out/Tryon/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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July 7, 2015