Hickory Rock
Pillar in Burnet County, Texas · on the USGS Marble Falls quadrangle
30.59185, -98.34558
Maps that show Hickory Rock
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Marble Falls, TX
USGS topo, 2022

Marble Falls, TX
USGS historical 15-minute topo (1929)

Marble Falls, TX
USGS historical 15-minute topo (1932)

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