Geologic map index of Montana, 1955-1967 /
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| Format: | Government Document Map |
| Language: | English |
| Published: |
[Washington] :
U.S. Geological Survey,
1969.
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| Item Description: | Cover title: Geologic map index of Montana. 1955 edition by Leona Boardman, 1955-67 supplement by Willard L. McIntosh and Ida M. Morgan. Cartographic material. |
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| Physical Description: | color map 55 x 96 cm on sheet 91 x 104 cm folded in envelope 31 x 24 cm |
| Bibliography: | Includes bibliographical references. |