Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of Transportation, Library Services Division
- Print ISSN: 0091-1410
- Electronic ISSN:
- OCLC Number: 1785536
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.58 (1979); v.59 (1980); v.60 (1981)
|
committed to retain | 2016-05-10 | HTDL |
|