Program: HathiTrust Digital Library
- Publisher: Division of Mines and Geology
- Print ISSN: 0197-8438
- Electronic ISSN:
- OCLC Number: 6132792
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.3-4 1970
|
committed to retain | 2017-02-16 | HTDL |
|