Program: HathiTrust Digital Library
- Publisher: Geological Survey Division
- Print ISSN: 0539-7545
- Electronic ISSN:
- OCLC Number: 1757290
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1-4 (1964-67); no.1-3; no.1-4 1964-1967; no.4; no.6 (1976)
|
committed to retain | 2018-01-25 | HTDL |
|