Coal geology: an opportunity for research and study.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Urbana,
[publisher not identified] ;
1949.
|
| Series: | Circular (Illinois State Geological Survey) ;
147. |
| Subjects: |
| Item Description: | "Reprinted from Economic geology, volume 44, number 1, pp. 1-12, January-February, 1949." |
|---|---|
| Physical Description: | 12 pages |
| Bibliography: | Bibliography: pages 11-12. |