EarthWorks Geospatial Catalog

Surficial geology of the Winnisquam Lake quadrangle, Belknap County, New Hampshire / by Arthur E. Nelson and Joan Nelson ; prepared in cooperation with the U.S. Geological Survey State Map Program.

Relief shown by contours, shading and spot heights. "Contour interval 20 feet." "Geology mapped 2002." "Produced by the United States Geological Survey. Controlled by USGS and NOS/NOAA. Compiled from aerial photographs taken 1981. Field checked 1984. Map edited 1987." Includes quadrangle location map and correlation diagram.
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