Block Island quadrangle [cartographic material] : Rhode Island - Washington Co. / mapped by the Army Map Service ; edited and published by the Geological Survey.
"Photorevised 1970." Relief shown by contours and spot heights. "Map photoinspected 1975. No major culture or drainage changes observed." "Control by USGS and USC&GS." "AMS 6666 II NE - Series V815." "Topography by planetable surveys 1923 with revision from aerial photographs in 1943. Culture revised by the Geological Survey 1957." "Contour interval 10 feet." 1 inch = approx. 4/10 mile. Includes quadrangle location map.
- The Geological Survey
- Held by
This data is hosted by MIT, and is currently unavailable to preview and download. Stanford University does not hold this data and cannot provide access to it, at this time. If you have questions about this or other unavailable datasets from MIT GIS Servcies please submit your feedback to