Blowup view of Minot's Ledge Light, from Massachusettes Bay survey map. Fixed Height of Focal plane above mean high water, 84ft 7m.
Image ID: cgs05189, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection Location: Massachusetts, Boston Harbor Photo Date: 1861 Credit: NARA C&GS Colllection Category: Coast and Geodetic Survey/Archive/ • High Resolution Photo Available
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