Brier Patch Island
Flat in Livingston County, Louisiana · on the USGS Springfield quadrangle
30.39492, -90.53565
Maps that show Brier Patch Island
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Springfield, LA
USGS topo, 2024

Springfield, LA
USGS historical 15-minute topo (1934)

Springfield, LA
USGS historical 15-minute topo (1939)

Springfield, LA
USGS historical 15-minute topo (1963)

Springfield, LA
USGS historical 15-minute topo (1965)

U.S. Fish and Wildlife Service Alligator Snapping Turtle Range (2024)
Fish & Wildlife Service Refuge Maps (public domain)

Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)

IFR Enroute Low Altitude Chart L-22 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-07 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-06 (U.S.)
FAA, 2026-10-29

IFR Enroute Low Altitude Chart L-21 (U.S.)
FAA, 2026-10-29
Name, class, county and location: USGS Geographic Names Information System (public domain).