pl23_theb1325.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23theb1325jpgDescription
Magnetic observations along the Yukon River.
Credit
The Military Engineer, 1924, p. 482. NOAA Central Library
Display Date
Ca. 1924
Location
Alaska, Yukon River
Collection
Historic Coast & Geodetic Survey
Keywords
Geophysics
Geomagnetism