Figure Four Spring
Spring in Rio Blanco County, Colorado · on the USGS Figure Four Spring quadrangle
39.71543, -108.48676
Maps that show Figure Four Spring
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Figure Four Spring, CO
USGS topo, 2022

Highmore, CO
USGS historical 15-minute topo (1929)

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

IFR Enroute High Altitude Chart H-01 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).