Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 8892400
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1984-1985; 1986-1988; 1989-1991; 1992-1993; 1996-2000
|
committed to retain | 2010-02-08 | HTDL |
|