Blue Mountain
Summit in Imperial County, California · on the USGS Blue Mountain quadrangle
33.24341, -115.10448
Maps that show Blue Mountain
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Blue Mountain, CA — USGS 7.5-minute topo (2021)
USGS Topo Maps (public domain) · California
Public domain
Acolita, CA — USGS historical 15-minute topo (1953)
USGS Historical Topo Maps (public domain) · California
Public domain
Routes of Travel for Imperial Sand Dunes Recreation Area — BLM California (2021)
BLM Recreation Maps (public domain) · California
Public domain
Routes of Travel for Eastern Imperial County — BLM California (2021)
BLM Recreation Maps (public domain) · California
Public domain
IFR Enroute Low Altitude Chart L-07 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute Low Altitude Chart L-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute Low Altitude Chart L-05 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute High Altitude Chart H-04 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
Name, class, county and location: USGS Geographic Names Information System (public domain).