Present status of correlation of Illinois coals /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Urbana, Ill. [Springfield] :
[Jeffersons Printing & Stationery Co.],
1927.
|
| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 14. |
| Subjects: |
| Item Description: | At head of title: State of Illinois. Department of registration and education. Division of the State Geological Survey. |
|---|---|
| Physical Description: | 13 pages |