Subsurface geology and coal resources of the Pennsylvanian system in Douglas, Coles, and Cumberland Counties, Illinois.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Urbana,
[publisher not identified] ;
1959.
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| Series: | Circular (Illinois State Geological Survey) ;
271. |
| Subjects: |
| Item Description: | Cover title. |
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| Physical Description: | 16 pages : illustrations, maps (3 folded, in pocket) |
| Bibliography: | Bibliography: page 16. |