Sand and gravel resources of De Kalb County /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Urbana,
[publisher not identified] ;
1964.
|
| Series: | Circular (Illinois State Geological Survey) ;
367. |
| Subjects: |
| Physical Description: | 16 pages : maps (1 folded in pocket) |
|---|---|
| Bibliography: | Bibliography: page 16. |