Program: HathiTrust Digital Library
- Publisher: Secretaría de Recursos Hidráulicos
- Print ISSN: 0020-1057
- Electronic ISSN:
- OCLC Number: 1753146
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.25 no.1-2(1971); v.21(1967); v.22(1968); v.23(1969); v.24(1970); v.20(1966); v.19(1965); v.1-19 INDEX 1947-65; v.7-12 INDEX
|
committed to retain | 2020-01-17 | HTDL |
|