Biennial report of the state inspector of coal mines.
- Publisher: The Department
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 2363176
- Subject: Coal mines and mining Colorado Periodicals.
- Subject code: T
- Publication history: Vol. 15 (1911/1912).
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1911-12 1911-12 | permanent |