Economic geology of Gilpin county and adjacent parts of Clear Creek and Boulder counties, Colorado /
| Main Authors: | , |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt. Print. Off,
1917.
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| Series: | Professional paper (Geological Survey (U.S.)) ;
94. |
| Subjects: |
| Item Description: | At head of title: Department of the interior. Some plates printed on both sides of the leaf. Nine plates are in pocket. Includes index. |
|---|---|
| Physical Description: | 379 pages : illustrations, XXIII plate (part folded; including maps, plans) diagrams ; 29 1/2 cm. |