You searched for: Place Michigan Department of Natural Resources Houghton Lake Wildlife Research Area (Porter Ranch) ca. 6 km. sw of Houghton Lake Remove constraint Place: Michigan Department of Natural Resources Houghton Lake Wildlife Research Area (Porter Ranch) ca. 6 km. sw of Houghton Lake Place Roscommon Remove constraint Place: Roscommon Topic Caltha Remove constraint Topic: Caltha Topic Ranunculales Remove constraint Topic: Ranunculales