Prospect Mountain Number One
Summit in Mineral County, Montana · on the USGS Illinois Peak quadrangle
47.05074, -115.01529
Maps that show Prospect Mountain Number One
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Illinois Peak, MT-ID
USGS topo, 2024
Illinois Peak, MT
USGS historical 15-minute topo (1957)
Map #2
North Fork Area Over-Snow Vehicle Use Map — Nez Perce-Clearwater National Forests (2018)
Ninemile Ranger District OSVUM
Lolo National Forest
Superior RD Motor Vehicle Use Map (MVUM)
Lolo National Forest
Superior Ranger District OSVUM
Lolo National Forest
Index Over-Snow Vehicle Use Map
Nez Perce-Clearwater National Forests
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).