EarthWorks Geospatial Catalog

Topographic map of bedrock surface of North Dakota [cartographic material] / compiled by John P. Bluemle.

Description
Relief shown by contours and spot heights. "Base map supplied courtesy of United States Geological Survey." Includes "Sources of information used in compiling map."
Publisher
North Dakota Geological Survey
Year
1971-01-01T00:00:00Z
Held by
MIT
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