Program: HathiTrust Digital Library
- Publisher: Geological Pub. Co.
- Print ISSN: 0891-3102
- Electronic ISSN:
- OCLC Number: 3531517
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1963-1987
|
committed to retain | 2009-12-01 | HTDL |
|