Program: HathiTrust Digital Library
- Publisher: For sale by Geological Survey, Indiana Dept. of Conservation
- Print ISSN: 0886-0734
- Electronic ISSN:
- OCLC Number: 1753001
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.2 1963; no.1-4 (1963-1966); no.61 2000; no.62 2000; no.63 2000; no.64 2004; no.65 2004
|
committed to retain | 2019-10-06 | HTDL |
|