pl23_theb1327.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23theb1327jpg-0Description
Magnetic observations at sea on the C&GS; Ship BACHE.
Credit
The Military Engineer, 1924, p. 484. NOAA Central Library
Display Date
Ca. 1915
Location
Atlantic Ocean
Collection
Historic Coast & Geodetic Survey
Keywords
Geophysics
Geomagnetism