Program: HathiTrust Digital Library
- Publisher: Mining and Geology Dept
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 4991301
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1969/1970; 1970/71-1974/75
|
committed to retain | 2009-10-12 | HTDL |
|