Program: HathiTrust Digital Library
- Publisher: [State of Indiana, Dept. of Natural Resources, Geological Survey]
- Print ISSN: 0160-0826
- Electronic ISSN:
- OCLC Number: 2668756
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.3-5 1949-1951; no.6-12 1953-1966; no.14 1990
|
committed to retain | 2016-07-29 | HTDL |
|