Program: HathiTrust Digital Library
- Publisher: Geological Survey Dept
- Print ISSN: 0372-8927
- Electronic ISSN:
- OCLC Number: 2245973
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1955-1959; 10 (1966); v.10-12 (1966-72); 12 (1972); 9(1963)
|
committed to retain | 2019-09-30 | HTDL |
|