Geological Survey circular.
- Publisher: Dept. of Natural Resources, Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 8617740
- Subject: Geology Indiana.
- Subject code: QE
- Publication history: 10 (1970)-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | no.10-11 1970-1981; no.12 1994 | permanent |