Maps showing mineral resource assessment for skarn deposits of gold, silver, copper, tungsten, and iron in the Butte 1⁰ x 2⁰ quadrangle, Montana /
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
The Survey ;
1992.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
I-2050-E. |
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| Item Description: | Relief shown by contours and spot heights on some maps. Includes location map. Cartographic material. |
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| Physical Description: | 11 maps on 2 sheets : color ; 46 x 62 cm. and 22 x 31 cm., sheets 127 x 79 cm. and 91 x 122 cm., folded in envelope 30 x 24 cm. + 1 pamphlet (30 pages : maps ; 28 cm.) |
| Bibliography: | Includes bibliographical references in text. |