Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey ;
- Print ISSN: 0163-9447
- Electronic ISSN: 0163-9447
- OCLC Number: 10114908
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1981
|
committed to retain | 2012-04-19 | HTDL |
|