Sec. 10.24. Karst Area.
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/il/chapter-510/act-77/10-24A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Sec. 10.24. Karst Area. "Karst area" means an area with a land surface containing sinkholes, large springs, disrupted land drainage, and underground drainage systems associated with karstified carbonate bedrock and caves or a land surface without these features but containing a karstified carbonate bedrock unit generally overlain by less than 60 feet of unconsolidated materials.