The Coast and Geodetic Survey was the Nation's primary geophysical agency until
the early 1970's when its geomagnetic duties were transferred to the USGS.
Image ID: cgs02191, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1957 ca.
Category: Coast and Geodetic Survey/Geophysics Geomagnetism/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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April 30, 2013