Program: HathiTrust Digital Library
- Publisher: U.S. Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2787572
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1969-1972; Jan/Mar 1973
|
committed to retain | 2019-08-04 | HTDL |
|