Program: HathiTrust Digital Library
- Publisher: Ministerio de Energía y Minas, Direccíon General de Minería, Servicio de Geología y Minería
- Print ISSN: 0378-1232
- Electronic ISSN:
- OCLC Number: 6185993
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.1 (Oct 1972)
|
committed to retain | 2019-10-06 | HTDL |
|