Program: HathiTrust Digital Library
- Publisher: [U.S. Geological Survey]
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 1947486
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1960/61:1; 1961-1962; 1962/63:1; 1963-1964
|
committed to retain | 2018-11-09 | HTDL |
|