Program: HathiTrust Digital Library
- Publisher: National Park Service
- Print ISSN: 0192-4567
- Electronic ISSN:
- OCLC Number: 1581379
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1975-79; 1969-1983; index 1977-81
|
committed to retain | 2019-07-29 | HTDL |
|