Program: HathiTrust Digital Library
- Publisher: [State of Michigan, Dept. of Natural Resources, Geological Survey Division]
- Print ISSN: 0161-9098
- Electronic ISSN:
- OCLC Number: 2255535
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
5 (1970); 1 (1971); 3 (1972); 4 (1973); no.1-5 1971-1974; no.1-2, no.4-5
|
committed to retain | 2018-05-05 | HTDL |
|