Composition of the ash of Illinois coals.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Urbana,
[publisher not identified] ;
1964.
|
| Series: | Circular (Illinois State Geological Survey) ;
365. |
| Subjects: |
| Item Description: | At head of title: State of Illinois. Dept. of Registration and Education. |
|---|---|
| Physical Description: | 20 pages : illustrations |
| Bibliography: | Bibliography: page 20. |