Indian Rock Spring
Spring in San Diego County, California · on the USGS Valley Center quadrangle
33.13151, -117.10188
Maps that show Indian Rock Spring
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Valley Center, CA — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · California
Public domain
Escondido, CA — USGS historical 15-minute topo (1893)
USGS Historical Topo Maps (public domain) · California
Public domain
Escondido, CA — USGS historical 15-minute topo (1901)
USGS Historical Topo Maps (public domain) · California
Public domain
Escondido, CA — USGS historical 15-minute topo (1942)
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).