Trunk Butte
Summit in Pondera County, Montana · on the USGS Belgian Hill quadrangle
48.34831, -112.06781
Maps that show Trunk Butte
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Belgian Hill, MT
USGS topo, 2024

Valier, MT
USGS historical 15-minute topo (1934)

Valier, MT
USGS historical 15-minute topo (1937)

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).