Petroleum County Sunrise / SunsetUnited StatesMTPetroleum CountySunrise6:56 amWinnettSunrise at 6:56 amSunrise6:57 amWild Horse LakeSunrise at 6:57 amFlatwillowLittle Bear LakePetrolia LakeTeigenWar Horse LakeWar Horse National Wildlife RefugeWild Horse LakeWinnettYellow Water Reservoir