Economic geology of the Georgetown quadrangle (together with the Empire district) Colorado /
| Main Author: | |
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| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt. Print. Off,
1908.
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| Series: | U.S. Geological Survey professional paper ;
63. |
| Subjects: |
| Item Description: | Four folded plates, including 2 maps, in pocket. |
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| Physical Description: | 422 pages : illustrations, LXXXVII plate (part folded, including maps, plans) diagrams ; 29 x 23 cm. |