Rhode Island, 7.5 minute series (topographic) [cartographic material] / mapped, edited, and published by the Geological Survey.
- Relief shown by contours and spot heights. Some sheets are photorevised or photoinspected. Some sheets with Polyconic proj. Some maps includes parts of Connecticut. "Revisions shown in purple." "Map photoinspected 19--, no major culture or drainage changes observed." Includes quadrangle location map.
- The Survey ;
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