Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Bureau of Mines
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 19052504
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1988 1988; 1991; 1997 1997
|
committed to retain | 2020-03-07 | HTDL |
|