Geologic map of the Black Ridge quadrangle, Delta and Montrose Counties, Colorado [cartographic material]
- Author:
- Hansen, Wallace R., 1920-
- Publisher:
- The Survey
- Subject:
- Geology
- Spatial Coverage:
- Colorado, Delta County, and Montrose County
- Language:
- English
- Year:
- 1968
- Date Issued:
- 2012-02-17T19:59:45Z
- Date Modified:
- 2012-03-05T17:41:32Z
- Library Catalog Record:
- https://search.library.yale.edu/catalog/10220798
- Digital Collections Record:
- No Digital Collections record
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