Preliminary geologic map of the Mississippian formations in the Dongola, Vienna and Brownfield quadrangles /
| Main Author: | |
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| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 60. |
| Subjects: |
| Item Description: | At head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey ... |
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| Physical Description: | 11 pages : illustrations |