Bedrock geology of the Delaware quadrangle, Michigan / [cartographic material]
- Author:
- Cornwall, Henry Rowland, 1913-
- Publisher:
- U.S. Geological Survey
- Subject:
- Geology
- Spatial Coverage:
- Michigan and Keweenaw County
- Language:
- English
- Year:
- 1954
- Date Issued:
- 2011-04-01T17:05:34Z
- Date Modified:
- 2012-02-14T00:23:40Z
- Library Catalog Record:
- https://search.library.yale.edu/catalog/9715410
- Digital Collections Record:
- No Digital Collections record
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