You searched for: Place in a roadcut just south of State Highway 3, the roadcut is east of and uphill from Twin Bridges Park, approximately 3.5 miles west of Colesburg and on the Paleozoic Plateau Remove constraint Place: in a roadcut just south of State Highway 3, the roadcut is east of and uphill from Twin Bridges Park, approximately 3.5 miles west of Colesburg and on the Paleozoic Plateau