Complex sentence: Dallas was a town in Ouray County, Colorado about 3 miles (5 km) north of the present town of Ridgway at the confluence of Dallas Creek and the Uncompahgre River.
Split into simpler sentences: Dallas was a town in Ouray County, Colorado, United States. It lay about 3 miles (5 km) north of the present town of Ridgway at the confluence of Dallas Creek and the Uncompahgre River.