Program: HathiTrust Digital Library
- Publisher: Mineral Digest Ltd.
- Print ISSN: 0375-6912
- Electronic ISSN:
- OCLC Number: 1757522
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-5 1970-1973; v.6-8 1974-1976
|
committed to retain | 2012-06-21 | HTDL |
|