Forebay Lake
Reservoir in La Plata County, Colorado · on the USGS Electra Lake quadrangle
37.52715, -107.79053
Maps that show Forebay Lake
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Electra Lake, 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)

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 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).