Program: HathiTrust Digital Library
- Publisher: Illinois Dept. of Energy and Natural Resources, State Water Survey Division
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 16927002
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1986/1987-1988/1989; 1990/1991-1992/1993; 1986/87-1993/94 (W/O 1991/92); 1993/1994-1994/1995
|
committed to retain | 2019-04-22 | HTDL |
|