Complex sentence: Buffalo Ridge is commonly considered to consist of the elevated land extending through Lincoln, Lyon, Pipestone, Murray, Rock, and Nobles counties; however, it is actually an elevated drainage divide located between the Mississippi and Missouri watersheds.
Split into simpler sentences: Buffalo Ridge is commonly considered to consist of the elevated land extending through Lincoln, Lyon, Pipestone, Murray, Rock, and Nobles counties. It is actually an elevated drainage divide located between the Mississippi and Missouri watersheds.