EarthWorks Geospatial Catalog

Sagamore quadrangle, Massachusetts [cartographic material] : 7.5 minute series (topographic) / mapped, edited and published by the Geological Survey ; Commonwealth of Massachusetts, Department of Public Works ; control by USGS, NOS/NOAA, and Massachusetts Geodetic Survey.

"Photorevised 1979." "Topography by planetable survey 1932-1933 and 1937. Revised from aerial photographs taken 1966. Field checked 1967." Relief shown by contours and spot heights. Depth shown by contours. "AMS 6867 I SE--Series V814." "N4145-W7030/7.5." Includes quadrangle location map.
Geological Survey ;
Held by
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