Orosco Ridge
Ridge in San Diego County, California · on the USGS Rodriguez Mountain quadrangle
33.14547, -116.88410
Maps that show Orosco Ridge
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Boden Canyon Ecological Reserve topographic map — California CDFW
California CDFW Wildlife Area Maps · California
Public domain
Boden Canyon Ecological Reserve — California CDFW
California CDFW Wildlife Area Maps · California
Public domain
Rodriguez Mountain, CA — USGS 7.5-minute topo (2021)
USGS Topo Maps (public domain) · California
Public domain
Ramona, CA — USGS historical 15-minute topo (1942)
USGS Historical Topo Maps (public domain) · California
Public domain
Ramona, CA — USGS historical 15-minute topo (1947)
USGS Historical Topo Maps (public domain) · California
Public domain
Blue Sky Ecological Reserve — California CDFW
California CDFW Wildlife Area Maps · 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 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).