Program: HathiTrust Digital Library
- Publisher: State of Illinois, Dept. of Registration and Education, Division of the State Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 10357412
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1933; 1936; 1938; 1954; 1960(); 1963; 1967; AND SUPPL
|
committed to retain | 2017-08-31 | HTDL |
|