Round Lake Swamp (historical)
Swamp in Sabine County, Louisiana · on the USGS Brushy Creek quadrangle
31.71601, -93.77880
Maps that show Round Lake Swamp (historical)
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Brushy Creek, TX-LA
Detailed map of terrain, trails and roads
USGS topo, 2022

Brushy Creek
Forest Service topo with road numbers
Forest Service FSTopo 7.5-minute quad

Patroon, TX
Old map for history, not navigation
USGS historical 15-minute topo (1944)

Patroon, TX
Old map for history, not navigation
USGS historical 15-minute topo (1956)

Sabine National Forest, National Forests in Texas
Forest Service forest map

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

Continental Glaciation Map - Tule Springs Fossil Beds National Monument
National Park Service Maps · Tule Springs Fossil Beds National Monument

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

IFR Enroute Low Altitude Chart L-19 (U.S.)
FAA, 2026-10-29

IFR Enroute High Altitude Chart H-06 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).