Present status of correlation of Illinois coals /
Main Author: | Culver, Harold Eugene, 1883- |
---|---|
Format: | Book |
Language: | English |
Published: |
Urbana, Ill. [Springfield] :
[Jeffersons Printing & Stationery Co.],
1927.
|
Series: | Report of investigations (Illinois State Geological Survey) ;
no. 14. |
Subjects: |