sentences:  In the northeast, the Glacial Lake Agassiz plain transitions into the forests of the Arrowhead.The region includes the lowland portions of the Red River watershed and the western half of the Rainy River watershed within the state, at approximately the level of Lake Agassiz’ Herman Beach.In ecological terms, it includes the Northern Minnesota Peatlands of the Laurentian Mixed Forest, the Tallgrass Aspen Parklands, and the Red River Valley Section of the Prairie Parklands.