Program: HathiTrust Digital Library
- Publisher: República del Perú, Ministerio de Energía y Minas, Dirección General de Minería, Servicio de Geología y Minería
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 8623558
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.3(1973); no.1-3
|
committed to retain | 2016-05-10 | HTDL |
|