This is a city map of Carbondale with the directions to the IRAD center on it. From Rt 13 or West Main St., three blocks west of the Memorial Hospital, turn south on Oakland Avenue and go to Chautauqua. Turn west on Chatauqua and go to McLafferty Rd. Turn south on McLafferty Rd. The IRAD center will be on your right as you are driving south on McLafferty. IRAD is listed in the phone book under SIU, Southern Illinois University, then under Archival Depository System on McLafferty Rd. The phone number is (618) 453-3040.