Big Tank

Reservoir in Zavala County, Texas · on the USGS Olmos Creek quadrangle

29.05136, -100.02445

Maps that show Big Tank

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Olmos Creek, TX — USGS 7.5-minute topo (2022)

Olmos Creek, TX

USGS topo, 2022

Cline, TX — USGS historical 15-minute topo (1949)

Cline, TX

USGS historical 15-minute topo (1949)

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

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 High Altitude Chart H-07 (U.S.)

FAA, 2026-10-29

Nearby

Name, class, county and location: USGS Geographic Names Information System (public domain).