Complex sentence: It issues from Staples Lake in Barron County and flows generally southwestwardly through Polk and St. Croix Counties, through several lakes and past the city of Amery and the villages of Star Prairie and Somerset.
Split into simpler sentences: It issues from Staples Lake in Barron County and flows generally southwestwardly through Polk and St. Croix counties. The river flows through the city of Amery and the villages of Star Prairie and Somerset.