Program: HathiTrust Digital Library
- Publisher: National Park Service. [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]
- Print ISSN: 0550-4422
- Electronic ISSN:
- OCLC Number: 1759352
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1969; 1972; 1974 1974; 1976 v.2; 1976-1979, v.1; 1976-1979, v.2; 1966/1988; 1966-1988; 1966-1988 (pub 1989); 1966/1991; 1994; 1972 suppl. (1974)
|
committed to retain | 2019-03-15 | HTDL |
|