You searched for: Place Illinois Remove constraint Place: Illinois Place LaSalle Remove constraint Place: LaSalle Place Starved Rock State Park, west of South Ottawa, ridge slope (north-facing) between branches of Tonti Canyon, Starved Rock 7.5' quadrangle, south side of IL Rt 71, south of Illinois River. Remove constraint Place: Starved Rock State Park, west of South Ottawa, ridge slope (north-facing) between branches of Tonti Canyon, Starved Rock 7.5' quadrangle, south side of IL Rt 71, south of Illinois River.