Lower Blackwelder Lake
Reservoir in Yuba County, California · on the USGS Browns Valley quadrangle
39.13256, -121.38451
Maps that show Lower Blackwelder Lake
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Browns Valley, CA — USGS 7.5-minute topo (2021)
USGS Topo Maps (public domain) · California
Public domain
Wildlife Area Topographic Map — Spenceville Wildlife Area — California CDFW
California CDFW Wildlife Area Maps · California
Public domain
Spenceville Wildlife Area — California CDFW
California CDFW Wildlife Area Maps · California
Public domain
Wheatland, CA — USGS historical 15-minute topo (1949)
USGS Historical Topo Maps (public domain) · California
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-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).