Tests on clay materials available in Illinois coal mines,
Main Authors: | , |
---|---|
Corporate Authors: | , , , , |
Other Authors: | , |
Format: | Book |
Language: | English |
Published: |
Urbana :
Illinois state geological survey, University of Illinois,
1917
Urbana, 1917 |
Series: | Illinois coal mining investigations cooperative agreement bulletin ;
no. 18 |
Subjects: |