pl23_cgs05976.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23cgs05976jpgDescription
Annual Report 1856. No. 63 Doagrams to illustrate the Secular Variation in theMagnetic Inclination By C. A. Schott Computing Division C.S.
Credit
United States Coast Survey Annual Report 1856
Display Date
1856
Collection
Historic Coast & Geodetic Survey
Historic Maps
United States Coast Survey Annual Report
Keywords
Historical Cartography