Grossmont Reservoir (historical)
Reservoir in San Diego County, California · on the USGS El Cajon quadrangle
32.78524, -116.98887
Maps that show Grossmont Reservoir (historical)
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El Cajon, CA — USGS 7.5-minute topo (2021)
USGS Topo Maps (public domain) · California
Public domain
El Cajon, CA — USGS historical 15-minute topo (1939)
USGS Historical Topo Maps (public domain) · California
Public domain
El Cajon, CA — USGS historical 15-minute topo (1942)
USGS Historical Topo Maps (public domain) · California
Public domain
El Cajon, CA — USGS historical 15-minute topo (1947)
USGS Historical Topo Maps (public domain) · California
Public domain
Elcajon, CA — USGS historical 15-minute topo (1893)
USGS Historical Topo Maps (public domain) · California
Public domain
Elcajon, CA — USGS historical 15-minute topo (1901)
USGS Historical Topo Maps (public domain) · California
Public domain
Elcajon, CA — USGS historical 15-minute topo (1903)
USGS Historical Topo Maps (public domain) · California
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
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Name, class, county and location: USGS Geographic Names Information System (public domain).