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Invitation to the opening of the Fredericksburg Geomagnetic Observatory and
Laboratory on May 23, 1956
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Image ID: cgs02252, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1956
Credit: Family of Captain Miller J. Tonkel, NOAA Corps
Category: Coast and Geodetic Survey/Geophysics Geomagnetism/
• High Resolution Photo Available
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