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https://www.noaa.gov/media/digital-library-photo/pl23cgs06263jpgDescription
Annual Report 1864. No. 2 A bis (Upper Sheet) Sketch A Showing the Progress of the Survey in Section No. 1 from 1852 to 1864 . Sub-sketch showing Rocks offPortland Harbor Surveyed in 1864 (Image credit: United States Coast Survey Annual Report 1864)
Credit
United States Coast Survey Annual Report 1864
Display Date
1864
Category
Historic Coast & Geodetic Survey
Historic Maps
United States Coast Survey Annual Report
Keywords
Historical Cartography