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pl23_cgs00092.jpg

Location of magnetic observatories in United States and Pacific Ocean

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https://www.noaa.gov/media/digital-library-photo/pl23cgs00092jpg

Description

Location of magnetic observatories in United States and Pacific Ocean. San Juan, Cheltenham, Tucson, Sitka, and Honolulu were Coast and Geodetic Surveymagnetic and seismological observatories.

Display Date

1935 Ca.

Keywords