DNR investigation at Matthiessen State Park Heard on: La Salle County Sheriff and Fire Departments 00:18 00:00 One Frank 14 , myself one Frank 30 . Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 One Frank 14 , myself one Frank 30 . 00:03 We have Matthiessen State Park, Dove Field number three. 00:07 Matthiessen State Park, Dove Field three. 00:09 DNR investigation, secure one R. 00:16 One Frank 31 , Frank 14 , ten four. 9/1/2026 11:41 AM Other Incidents Matthiessen State Park, 2500 IL-178, Oglesby, IL 61348 View on map