Index of the national park system and affiliated areas.
- Publisher: [National Park Service, U.S. Dept. of the Interior; for sale by the Supt. of Docs., U.S. Govt. Print. Off.]
- Print ISSN: 0196-2248
- Electronic ISSN: 0196-2248
- OCLC Number: 2192276
- Subject: National parks and reserves United States Directories.
- Subject code: E
- Publication history: 1975-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1977; 1979 | permanent |