"Sullivan Lake, Colville National Forest" by U.S. Forest Service- Pacific Northwest Region , public domain
Colville Forest User's Map
Sullivan/Newport/Three Rivers 2021
Forest User's Map of Sullivan/Newport/Three Rivers Ranger Districts (RD) of Colville National Forest (NF) in Washington. Published by the U.S. Forest Service (USFS).
U.S. Forest Service (USFS), March 2021