Program: HathiTrust Digital Library
- Publisher: Ohio Dept. of Industrial Relations, Division of Mines
- Print ISSN: 0078-401X
- Electronic ISSN:
- OCLC Number: 1799607
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1965; 1965 1965; 1966 1966; 1965-1967; 1966-1967; 1967 1967; 1968 1968; 1968-1971; 1972; 1972-1974; 1974-1976; 1975-1977; 1977-1979; 1978-1980; 1980
|
committed to retain | 2023-02-26 | HTDL |
|