Program: HathiTrust Digital Library
- Publisher: University of Minnesota, School of Mines and Metallurgy and Center for Continuation Study of the General Extension Division in cooperation with the Minnesota Section of the American Institute of Mining, Metallurgical, and Petroleum Engineers
- Print ISSN: 0748-8254
- Electronic ISSN:
- OCLC Number: 7710594
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1961; 23d 1962; 24th 1963; 25th 1964; 26th 1965; 28th 1967; 29th 1968; 31st 1970
|
committed to retain | 2014-11-09 | HTDL |
|