Program: HathiTrust Digital Library
- Publisher: Minnesota Dept. of Highways, Physical Research Section
- Print ISSN: 0146-535X
- Electronic ISSN: 0146-535X
- OCLC Number: 2962076
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1975
|
committed to retain | 2015-02-11 | HTDL |
|