Combined annual reports.
- Publisher: Dept. of Natural Resources, Coal Mine Inspection Division
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 10096656
- Subject: Coal mines and mining Colorado.
- Subject code: T
- Publication history: 1950/53.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1950-53 1950-53 | permanent |