Program: HathiTrust Digital Library
- Publisher: Illinois Dept. of Energy and Natural Resources, State Geological Survey Division
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 15350355
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
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no.7-10 1966-1972; no.11-14 1973-1979; no.15 1979; no.16-17 1985; no.18; no.19 1985; 19-23 1985-86; 21 (1986); no.23 1989; no.20-22 1990-1991; no.24 1992; no.25 1994; no.26 1999; no.27 1999; no.28 1999; no.29 1999; no.30 1999; no.31 1999; 25-32 1994-2000; no.32 2000; no.33 2001
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committed to retain | 2016-08-25 | HTDL |
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