EarthWorks Geospatial Catalog

Prudence Island quadrangle, Rhode Island-Newport Co. [cartographic material] : 7.5 minute series (topographic) / mapped, edited, and published by the Geological Survey ; revised in cooperation with Massachusetts Department of Public Works.

Relief shown by contours, spot heights and bathymetric soundings. "Topography by planetable survey 1939, Revised 1955." "Control by USGS and USC&GS." Includes quadrangle location map. "N4130-W7115/7.5." "AMS 6767 III SE--Series V815."
The Survey ;
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