Author facet: Geological Survey (U.S.) / Format: Journal / Region: Colorado - ECU Libraries Catalog Search Results

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Locatable mineral reports for South Dakota and Colorado, provided to the U.S. Forest Service in fiscal years ... and
2001
Format: Electronic, Book, and Journal

✔ Available

Call Number: Access Content Online

The mineral industry of Colorado
1994
Format: Electronic, Book, and Journal

✔ Available

Call Number: Access Content Online

Summary of water-resources activities of the U.S. Geological Survey in Colorado
1985
Format: Book, Microform, and Journal

✔ Available Joyner - Microforms B300

Call Number: I 19.76: