Weiskopf Observatory 7993 N River Rd Byron, IL 61010 Phone : (815) 234-8535 Weiskopf Observatory Business Category Noncommercial Research Organizations Astronomy & Observatories Jarrett Prairie Center 7993 N River Rd Byron, IL 61010 Phone : (815) 234-8535 Jarrett Prairie Center Business Category Tourist Attractions Amusement & Recreation