Upper 4A Mountain
Summit in Garfield County, Colorado · on the USGS Calf Canyon quadrangle
39.62175, -108.63954
Maps that show Upper 4A Mountain
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Calf Canyon, CO
USGS topo, 2022

Barrel Springs Extensive Recreation Management Area Map
BLM Colorado (2020)

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 High Altitude Chart H-04 (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).