EarthWorks Geospatial Catalog

Geologic map of the Portland quadrangle [cartographic material] / by Arthur M. Hussey.

Relief shown by contours and spot heights. Accompanied by text: Geologic map of the Portland quadrangle, Maine / by Arthur M. Hussey, II. [21] p. Includes location map and cross sections.
Dept. of Economic Development, Maine Geological Survey
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