Irma Lake
Reservoir in Park County, Wyoming · on the USGS Belknap Creek quadrangle
44.33022, -109.25698
Maps that show Irma Lake
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Belknap Creek, WY
USGS topo, 2021

Wapiti, WY
USGS historical 15-minute topo (1957)

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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).