Program: HathiTrust Digital Library
- Publisher: Bureau of Mines, U.S. Dept. of the Interior
- Print ISSN: 0190-8758
- Electronic ISSN:
- OCLC Number: 4014589
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1978-79
|
committed to retain | 2009-07-16 | HTDL |
|