Big Rock Spring
Spring in Placer County, California · on the USGS Bunker Hill quadrangle
39.09490, -120.39659
Maps that show Big Rock Spring
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Bunker Hill, CA — USGS 7.5-minute topo (2021)
USGS Topo Maps (public domain) · California
Public domain
Granite Chief, CA — USGS historical 15-minute topo (1953)
USGS Historical Topo Maps (public domain) · California
Public domain
Tahoe National Forest Motor Vehicle Use Map (MVUM) — Sheet 5 Back, Truckee (2026)
Forest Service Maps (public domain) · Tahoe National Forest
Public domain
Tahoe National Forest Motor Vehicle Use Map (MVUM) — Sheet 3 Front, American River (2026)
Forest Service Maps (public domain) · Tahoe National Forest
Public domain
Over Snow Vehicle Use Map (OSVUM) — Tahoe National Forest
Forest Service Maps (public domain) · Tahoe National Forest
Public domain
IFR Enroute Low Altitude Chart L-02 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute Low Altitude Chart L-03 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute Low Altitude Chart L-09 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
IFR Enroute Low Altitude Chart L-11 (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
IFR Enroute High Altitude Chart H-03 (U.S.) — FAA, 2026-10-29
FAA IFR Enroute Charts (public domain)
Public domain
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).