Lake Thunderbird
Reservoir in Bastrop County, Texas · on the USGS Winchester quadrangle
30.05951, -97.11256
Maps that show Lake Thunderbird
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Winchester, TX
USGS topo, 2022

Smithville, TX
USGS historical 15-minute topo (1948)

Smithville, TX
USGS historical 15-minute topo (1950)

Trail Map - El Camino Real de los Tejas National Historic Trail
National Park Service Maps (public domain) · El Camino Real de los Tejas National Historic Trail

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-19 (U.S.)
FAA, 2026-10-29

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

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