Generalized slope map of the Big Fork-Avon environmental study area, Flathead, Lake, Missoula, and Powell Counties, Montana / Irving J. Witkind, J. Michael Boyles, and Penny E. Patterson.
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| Main Author: | |
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| Corporate Author: | |
| Other Authors: | , |
| Other title: | Big Fork-Avon environmental study area, Flathead, Lake, Missoula, and Powell Counties, Montana. |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
U.S. Geological Survey,
1979.
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| Series: | Miscellaneous investigations series (Geological Survey (U.S.)) ;
map I-1130. |
| Subjects: |
| Item Description: | Text and figures on sheet. |
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| Physical Description: | 1 map : color ; 144 x 68 cm, on sheet 85 x 104 cm, folded in envelope 30 x 24 cm. |