605 ILCS 5/4-503
Current through Public Act 103-593
For the purpose of making subsurface soil surveys, preliminary surveys and determinations of the amount and extent of such land, rights or other property required, the Department, or any county, by its officers, agents or employees, after written notice to the known owners and occupants, if any, may enter upon the lands or waters of any person, but subject to responsibility for all damages which shall be occasioned thereby.
605 ILCS 5/4-503