Flat Tops
Summit in Imperial County, California · on the USGS Thumb Peak quadrangle
33.37547, -114.86732
Maps that show Flat Tops
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Thumb Peak, CA
USGS topo, 2021
Palo Verde Mts, CA — USGS historical 15-minute topo (1953)
USGS Historical Topo Maps (public domain) · California
Routes of Travel for Eastern Imperial County — BLM California (2021)
BLM Recreation Maps (public domain) · California
IFR Enroute Low Altitude Chart L-07 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute Low Altitude Chart L-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute Low Altitude Chart L-05 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute High Altitude Chart H-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
IFR Enroute High Altitude Chart H-03 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Name, class, county and location: USGS Geographic Names Information System (public domain).