Annual Report 1863. No. 2 A bis (Upper Sheet) Sketch A Showing the Progress of the Survey in Section No. 1 from 1852 to 1863 . Sub-sketch showing Rocks off Portland Harbor Surveyed in 1863
Image ID: cgs06233, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Photo Date: 1863 Credit: United States Coast Survey Annual Report 1863 • High Resolution Photo Available
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