Program: HathiTrust Digital Library
- Publisher: National Park Service, U.S. Dept. of the Interior
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 18563961
- 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; 1988; 1987-89; 1989; yr.1990; 1991; 1993; 1993 1993; 1994
|
committed to retain | 2019-04-14 | HTDL |
|