Prospect Mountains
Range in Sublette County, Wyoming · on the USGS Prospect Mountains quadrangle
42.49135, -109.18855
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Prospect Mountains, WY
USGS topo, 2021

Parting of the Ways, WY
USGS historical 15-minute topo (1958)

IFR Enroute Low Altitude Chart L-09 (U.S.)
FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-11 (U.S.)
FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-13 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).