Program: HathiTrust Digital Library
- Publisher: U.S. Department of the Interior, Heritage Conservation and Recreation Service
- Print ISSN: 0192-4621
- Electronic ISSN: 0192-4621
- OCLC Number: 4987172
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1979
|
committed to retain | 2012-02-16 | HTDL |
|