Program: HathiTrust Digital Library
- Publisher: Geological Survey Dept
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1787099
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1959/1962; v.1 no.1-25; v.2 no.26-69
|
committed to retain | 2020-01-18 | HTDL |
|