Program: HathiTrust Digital Library
- Publisher: Michigan Geological Survey Division
- Print ISSN: 0543-8454
- Electronic ISSN:
- OCLC Number: 1585889
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.2 1964; no.4; no.5; no.7 1967; no.8-11; no.8 1970; no.16 1978; no.15 (1985)
|
committed to retain | 2019-07-04 | HTDL |
|