Program: HathiTrust Digital Library
- Publisher: Engineering and Architecture Division, Surface Transportation and Machinery Branch (GSTM), Dept. of Regional Industrial Expansion
- Print ISSN: 0842-6708
- Electronic ISSN:
- OCLC Number: 19824994
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1990-1991; July 1990, 1993; 1993-1996
|
committed to retain | 2023-02-28 | HTDL |
|