Program: HathiTrust Digital Library
- Publisher: Illinois State Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 243894599
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.10 1972; no.11 1974
|
committed to retain | 2018-08-01 | HTDL |
|