Relationship of gravity anomalies to a drift-filled bedrock valley system in northern Illinois /
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Urbana :
Illinois State Geological Survey,
1963.
|
| Series: | Circular (Illinois State Geological Survey) ;
354. |
| Subjects: |
| Item Description: | Cover title. |
|---|---|
| Physical Description: | 23 pages : illustrations, maps. (1 folded in pocket) |
| Bibliography: | Bibliography: page 23. |