Program: HathiTrust Digital Library
- Publisher: Ohio Dept. of Natural Resources, Division of Geoliogical Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 37548969
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1-12, 16-17 1993-99
|
committed to retain | 2017-02-16 | HTDL |
|