Annual report on mining, oil and gas, and land reclamation and conservation activities.
- Publisher: Commonwealth of Pennsylvania, Dept. of Environmental Resources
- Print ISSN: 0149-2721
- Electronic ISSN: 0149-2721
- OCLC Number: 3461917
- Subject: Coal mines and mining Pennsylvania Statistics Periodicals.
- Subject code: H
- Publication history: 1974-1978.
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| Linda Hall Library of Science, Engineering & Technology (LHL) | Linda Hall Library of Science, Engineering & Technology | (1974-1977) |