Program: HathiTrust Digital Library
- Publisher: Geologic and Water Resources Division
- Print ISSN: 0277-9412
- Electronic ISSN:
- OCLC Number: 5192417
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.90 1976; no.90-92 (1976-78)
|
committed to retain | 2018-01-25 | HTDL |
|