Program: HathiTrust Digital Library
- Publisher: Ministry of State Participation, Geological Survey Dept
- Print ISSN: 0084-473X
- Electronic ISSN:
- OCLC Number: 2246882
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1951-1969; 1964-69; 1970-72; 1973; 1971-1974 1971-1974; 1974*; 1975*; 1975-1976 1975-1976; 1976-1979; 1980*; 1982*
|
committed to retain | 2018-05-20 | HTDL |
|