Falls, Illinois. City of Rock Falls. 1992. Yeater, Mary. “The Hennepin Canal”. American Canals. The Illinois Department of Conservation. External links Illinois Department of Natural Resources - Hennepin Canal State Trail Hennepin Canal - Illinois, USA Google Earth placemarks for locks and aqueducts HARGIS Report NRHP Nomination Form Rails to Trails Conservancy Canals in Illinois Illinois River Illinois waterways National Register of Historic Places in Bureau County, Illinois Protected areas of Henry County, Illinois Protected areas of Lee County, Illinois Protected areas of Rock Island County, Illinois Protected areas of Whiteside County, Illinois Protected areas established in 1970 Canals on the National Register of Historic Places in Illinois Historic districts on the National Register of Historic Places in Illinois 1970 establishments in Illinois State parks of Illinois