Program: HathiTrust Digital Library
- Publisher: Dept. of Geology and Geophysics, Massachusetts Institute of Technology
- Print ISSN: 2575-6389
- Electronic ISSN:
- OCLC Number: 1695671
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
4th (1956/57); 6th (1958); 7th (1959); 8th (1960); 9th (1961); 11th (1963); 12th (1964); 13th (1965); 15th (1967); 16th (1968); 18th (1970)
|
committed to retain | 2015-01-08 | HTDL |
|