Program: HathiTrust Digital Library
- Publisher: Mineral Resources Research Center, University of Minnesota
- Print ISSN: 0196-3937
- Electronic ISSN:
- OCLC Number: 4770131
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1939; 1941; 1944 1944; 1945 1945; 1946 1946; 1947 1947; 1948 1948; 1949 1949; 1950 1950; 1951; 1953-1966; 1968; 1969 1969; 1970-1971
|
committed to retain | 2015-10-26 | HTDL |
|