Program: HathiTrust Digital Library
- Publisher: Geological & Mineral Resources Dept
- Print ISSN: 0379-9603
- Electronic ISSN:
- OCLC Number: 6527456
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.28(1975)
|
committed to retain | 2016-04-14 | HTDL |
|