Coal resources of district VI,
Main Authors: | , |
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Corporate Authors: | , , , |
Other Authors: | , |
Format: | Book |
Language: | English |
Published: |
Urbana,
State geological survey, University of Illinois,
1916
|
Series: | Illinois coal mining investigations. Cooperative agreement. State geological survey, Department of mining engineering, University of Illinois, U.S. Bureau of mines. Bulletin 15
Illinois. Coal mining investigations (Cooperative agreement) Bulletin 15 |
Subjects: |