Contour map of Hoosac Mountain produced by Charles Sanders Peirce as part of his gravimetric studies. The sheet has been re-oriented with North to top as it was originally meant to be askew as seen by note "Bottom" to left of red M, Section I.

Image ID: cgs05602, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Massachusetts
Photo Date: 1874


Category: Coast and Geodetic Survey/Historical Cartography/Geophysics Gravity/

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