EarthWorks Geospatial Catalog

Bedrock geology of the Bergholz quadrangle, Carroll and Jefferson counties, Ohio / by Richard M. DeLong ; cartographic drafting by Philip Celnar.

Relief shown by contours and spot heights. Includes text, "References cited," cross section and location map. "Base by U.S. Geological Survey, 1960."
Ohio Division of Geological Survey
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