Stratigraphic cross sections and correlation of lignites in the Sentinel Butte member and upper part of the Tongue River member of the Fort Union Formation between Amidon and Fryburg, North Dakota /
| Main Author: | |
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| Format: | Government Document Map |
| Language: | English |
| Published: |
Reston, Va. :
U.S. Geological Survey,
1985.
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| Series: | Miscellaneous field studies (Geological Survey (U.S.)) ;
map MF-1765. |
| Subjects: |
| Item Description: | Text and 3 index maps on sheet. Cartographic material. |
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| Physical Description: | 37 columnar sections on 1 sheet ; sheet 144 x 106 cm., folded in envelope 25 x 32 cm. |
| Bibliography: | Includes bibliographical references. |