Blackberry Island
Island in Tehama County, California · on the USGS Red Bluff East quadrangle
40.14238, -122.14360
Maps that show Blackberry Island
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Butler Slough Ecological Reserve — California CDFW
California CDFW Wildlife Area Maps · California
Public domain

Red Bluff East, CA — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · California
Public domain

Red Bluff, CA — USGS historical 15-minute topo (1952)
USGS Historical Topo Maps (public domain) · California
Public domain

Tehama, CA — USGS historical 15-minute topo (1905)
USGS Historical Topo Maps (public domain) · California
Public domain

Tehama Wildlife Area — California CDFW
California CDFW Wildlife Area Maps · California
Public domain

OSVUM — Lassen National Forest (2023)
Forest Service Maps (public domain) · Lassen 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-11 (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

IFR Enroute High Altitude Chart H-01 (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).