Program: HathiTrust Digital Library
- Publisher: U. S. Dept. of Transportation, Federal Railroad Administration, Office of Safety
- Print ISSN: 0163-4674
- Electronic ISSN:
- OCLC Number: 4124987
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
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no.145 1976; no.145 1977; no.146 1977; no.148 1979; 1980 1980; no.148 1980; no.149 1980; 1981 1981; no.150 1981; no.152 1983; no.150-153 1981-84; 1984:June; no.153 1984; no.159 1990; 1991:July; no.164(1995)
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committed to retain | 2019-03-14 | HTDL |
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