Observing in western Nebraska.
Chase, Smith, and Nicodemus.
Recorder sitting and writing down angle observations.
Triangulation party of Wilbur Porter
Image ID: theb1615, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1933
Credit: NOAA, George E. Marsh Album
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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April 30, 2013