Slagle Lake (historical)
Reservoir in Vernon County, Louisiana · on the USGS Simpson South quadrangle
31.19241, -93.12377
Maps that show Slagle Lake (historical)
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Simpson South, LA
USGS topo, 2024

Fort Polk, LA
USGS historical 15-minute topo (1974)

Slagle, LA
USGS historical 15-minute topo (1941)

Slagle, LA
USGS historical 15-minute topo (1944)

Slagle, LA
USGS historical 15-minute topo (1954)

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-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).