Sourdough Island
Island in Missoula County, Montana · on the USGS Salmon Lake quadrangle
47.10410, -113.41091
Maps that show Sourdough Island
Get them in the map app
Salmon Lake, MT
Detailed map of terrain, trails and roads
USGS topo, 2024
Salmon Lake
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad
Seeley Lake RD Motor Vehicle Use Map (MVUM)
Forest roads and trails open to vehicles
Lolo National Forest
Seeley Lake 30x60 Land Ownership (BLM Surface Management)
Land Ownership Maps from BLM Data · Montana
Seeley Lake Ranger District OSVUM
Where snowmobiles are allowed
Lolo National Forest
Travel Map West
BLM Montana / Dakotas (2020)
Missoula Ranger District OSVUM
Where snowmobiles are allowed
Lolo National Forest
Helena-Lewis and Clark National Forest
West — Forest Service forest map
Lolo National Forest
Forest Service forest map
Montana Public Land Hunting Map: Northwest
Cartahaven Maps · Montana
Idaho Public Land Hunting Map: Panhandle
Cartahaven Maps · Idaho
Montana Public Land Hunting Map: North-Central
Cartahaven Maps · Montana
IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-01 (Alaska)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).