Volcano HillBoy Scout HillLembke LandingBurbank LakeIonia 'Volcano' Historical MarkerNewcastleBurbankUnion County Waterfowl Production AreaLewis and Clark Camp Sites: August 23, 24 and 25, 1804 Historical MarkerMulberry Bend State Wildlife Management AreaBuckskin Hills State Wildlife Management AreaBuckskin Hills LakeMJ Aviation IIJunction CityElk PointHarold Davidson FieldPrentis ParkMaskellCotton ParkVermillionPonca State ParkPonca State Park Historical MarkerLime GroveRichlandObertObert ParkPonca Historical MarkerMcKays Trailer CourtPoncaMattison ParkHoffmans Trailer CourtSpinkMartinsburgBroken Kettle Grasslands PreserveUnion CountyGreenfieldMissouri National Recreational RiverDixon CountyJeffersonClay Point