Bolam Pass
Gap in Dolores County, Colorado · on the USGS Hermosa Peak quadrangle
37.71861, -107.89618
Maps that show Bolam Pass
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Hermosa Peak, CO
USGS topo, 2022
Engineer Mountain, CO
USGS historical 15-minute topo (1898)
Engineer Mountain, CO
USGS historical 15-minute topo (1900)
Engineer Mountain, CO
USGS historical 15-minute topo (1908)
Columbine District Motor Vehicle Use Map (MVUM)
San Juan National Forest (2026)
Dolores District Motor Vehicle Use Map
San Juan National Forest (2026)
Mountain Division Motor Vehicle Use Map (MVUM)
Grand Mesa, Uncompahgre and Gunnison National Forests (2025)
IFR Enroute Low Altitude Chart L-08 (U.S.)
FAA, 2026-10-29
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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).