Abstracts of papers dealing with coal, presented at the third annual Mineral Industries Conference of Illinois, May 17-18, 1935.
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| Format: | Conference Proceeding Book |
| Language: | English |
| Published: |
Urbana,
[publisher not identified] ;
1935.
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| Series: | Circular (Illinois State Geological Survey) ;
10. |
| Subjects: |
| Physical Description: | 9 pages |
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