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Magnetic observations at sea on the C&GS Ship BACHE.
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Image ID: theb1327, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Atlantic Ocean
Photo Date: Ca. 1915
Credit: The Military Engineer, 1924, p. 484. NOAA Central Library
Category: Geophysics/Geomagnetism/
• High Resolution Photo Available
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