Hillbolt Lake
Reservoir in Austin County, Texas · on the USGS Cat Spring quadrangle
29.86637, -96.30721
Maps that show Hillbolt Lake
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Cat Spring, TX
USGS topo, 2022
Bellville, TX
USGS historical 15-minute topo (1956)
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
Name, class, county and location: USGS Geographic Names Information System (public domain).