Program: HathiTrust Digital Library
- Publisher: Keystone coal industry manual
- Print ISSN: 0097-8477
- Electronic ISSN:
- OCLC Number: 1800141
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1971-1984
|
committed to retain | 2018-08-25 | HTDL |
|