Program: HathiTrust Digital Library
- Publisher: Illinois State Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 34992924
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
no.27 1999; no.28 1999; no.30 1999; no.31 1999; no.26-32 1999-2000
|
committed to retain | 2017-02-16 | HTDL |
|