Directory: Ohio mine operators.
- Publisher: Ohio Dept. of Industrial Relations, Division of Mines
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2312443
- Subject: Coal mines and mining Ohio Directories.
- Subject code: T
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1959-1960; 1961-1964; 1965-1967; 1968-1970; 1971-1974; 1975-1978; 1979-1981 | permanent |