Program: HathiTrust Digital Library
- Publisher: Servicio Geológico
- Print ISSN: 0067-9828
- Electronic ISSN:
- OCLC Number: 213746252
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.2-4; no.10-14
|
committed to retain | 2011-08-25 | HTDL |
|