Program: HathiTrust Digital Library
- Publisher: Instituto de Geología
- Print ISSN: 0490-4117
- Electronic ISSN:
- OCLC Number: 5097058
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.1-2 1950-1951; v.1-3 (1950-52); v.3-4 1952-1953; v.4-5 (1953-54); v.5-6 1954-1955; v.6-8 (1955-57); v.7-10 1956-1959; v.9-10 (1958-59); v.11-16 (1960-65); v.11-16 1960-1965; v.17-20 1970-1973; v.21 1974; v.22-25 1975-1980; v.26/27 1983
|
committed to retain | 2012-09-07 | HTDL |
|