pl23_cgs05975.jpg
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https://www.noaa.gov/media/digital-library-photo/pl23cgs05975jpgDescription
Annual Report 1856. No. 62 Lines of Equal Magnetic Dip and Horizontal Intensityfor the Year 1850
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