Lake Humphreys
Reservoir in Mineral County, Colorado · on the USGS Lake Humphreys quadrangle
37.67810, -106.85485
Maps that show Lake Humphreys
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Lake Humphreys, CO
USGS topo, 2022
Spar City, CO
USGS historical 15-minute topo (1957)
Divide Ranger District
East Motor Vehicle Use Map (MVUM) — Rio Grande National Forest (2025)
Pagosa Ranger 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-05 (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).