"Scouting for Whitebark on Doris Peak" by Forest Service Northern Region , public domain
Flathead Area Snowmoible
Map of Groomed Snowmobile Trails in the Stillwater/Canyon Creek, Desert Mtn. Swan Lake, & Skyland Areas in Flathead National Forest (NF) in Montana. Published by the U.S. Forest Service (USFS).
U.S. Forest Service (USFS), May 2021