Castle Rock
Pillar in Pondera County, Montana · on the USGS Lone Man Coulee East quadrangle
48.16969, -112.22587
Maps that show Castle Rock
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Lone Man Coulee East, MT
USGS topo, 2024
Gallup City, MT
USGS historical 15-minute topo (1938)
Gallup City, MT
USGS historical 15-minute topo (1942)
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
Name, class, county and location: USGS Geographic Names Information System (public domain).