Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 9247224
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1981-1982; 1983-84; 1985-1986; 1987-88; 1989-1993; 1995-2003
|
committed to retain | 2018-09-07 | HTDL |
|