Natural gamma aeroradioactivity map of central Ohio and east-central Indiana /
| Main Author: | |
|---|---|
| Corporate Authors: | , |
| Format: | Government Document Map |
| Language: | English |
| Published: |
Washington, D.C. :
Interior--Geological Survey,
1965
|
| Series: | Geophysical investigations (Geological Survey (U.S.)) ;
map GP-524 |
| Subjects: |