Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, National Park Service
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 20079509
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1987 1987; 1988-1989; 1989 1989; 1991 1991; 1992-1993; 1994 1994
|
committed to retain | 2017-12-16 | HTDL |
|