Collection Results
Map showing the extent of mining, locations of mine shafts, adits, air shafts, and bedrock faults, and thickness of overburden above abandoned coal mines in the Boulder-Weld Coal Field, Boulder, Weld, and Adams counties, Colorado [electronic resource]
More books by this author:
Geologic atlas of the United States.
Book
Annual report of the United States Geological Survey to the Secretary of the Interior.
Book
Bibliography of North American geology.
Book
Author: | Geological Survey (U.S.) |
Type: | Map |
ISBN: | 0607960027 |
Language: | English |
Year: | 2001 |
Available: | Unknown, check CountyCat |