Stratigraphic studies of Pennsylvanian outcrops in part of southeastern Illinois /
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 45. |
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| Item Description: | At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. Running title: Pennsylvania studies, southeastern Illinois. |
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| Physical Description: | 31 pages : illustrations |