Program: HathiTrust Digital Library
- Publisher: [Dirección General de Geología y Minas]
- Print ISSN: 0531-8297
- Electronic ISSN:
- OCLC Number: 5343096
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1967 1967; 1968; 1967-69; 1977/1978
|
committed to retain | 2018-09-02 | HTDL |
|