510 ILCS 77/10.26
Current through Public Acts 103-1 through 103-587, 103-589, and 103-590
"Karstified carbonate bedrock" means a carbonate bedrock unit (limestone or dolomite) that has a pronounced conduit or secondary porosity due to dissolution of the rock along joints, fractures, or bedding plains.
510 ILCS 77/10.26