Program: HathiTrust Digital Library
- Publisher: State of Indiana, Dept. of Natural Resources, Geological Survey
- Print ISSN: 0161-0503
- Electronic ISSN:
- OCLC Number: 2254735
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v no.1 1974; v no.10 1988
|
committed to retain | 2017-02-16 | HTDL |
|