Program: HathiTrust Digital Library
- Publisher: Servicio Nacional Minero GeoloĢgico
- Print ISSN: 0325-3074
- Electronic ISSN: 0325-3074
- OCLC Number: 3142988
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.16 1972
|
committed to retain | 2019-11-14 | HTDL |
|