Description
| Published: | Print began with: Water year 1981; ceased with: Water year 2005. |
| Item Description: | Prepared in cooperation with the State of Illinois and other agencies. Electronic resource. |
| Physical Description: | 2 volumes : digital, PDF files. |
| Publication Frequency: | Annual |
| ISSN: | 0364-4332 |
| Related Items: | Merged with: Individual serial titles for other states/territories in the U.S. (e.g., Water resources data. Alaska (Online); Water resources data. Arizona (Online), etc.), to form the online integrating resource: Annual water data reports. |