Pittsburg and Midway Coal Mining Company, Denver, Co
No description specified.
1-3 (3 Records)
- Archaeological Clearance Report for Four Proposed Drilling Sites of Pittsburg and Midway Coal Mining Company (1979)
- Archaeological Reconnaissance of Four Proposed Coal Leases in Routt County, Colorado (1978)
- Haybro Historic District - Documentation and Evaluation of Features To Be Directly Affected By the Proposed Oak Creek Expansion Project (1981)