pl23_cgs05379.jpg
![The NW section of the chart of Boston Harbor, Mass cgs05379.jpg The NW section of the chart of Boston Harbor, Mass](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs05379.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs05379jpg-0Description
The NW section of the chart of Boston Harbor, Mass. Showing note onTriangulation was executed in 1846&47. Topography & Hydrography were done in1846, 60&64. Symbols of Sunk Rock, Rock Awash, Ledge of Rocks, Positionof Life Boat, and Hut of Refuge. Humane Society established Hut of Refuge.
Credit
NARA C&GS; Colllection
Display Date
1878
Location
Massachusetts, Boston Harbor
Collection
Historic Coast & Geodetic Survey
Historic Maps
General
Keywords
Coast and Geodetic Survey
Archive