Boulder Tank
Reservoir in Zavala County, Texas · on the USGS Woodard Lake quadrangle
28.73102, -99.70063
Maps that show Boulder Tank
Get them in the map app
Woodard Lake, TX
USGS topo, 2022
Big Wells, TX
USGS historical 15-minute topo (1939)
Bureau of Land Management Eastern States Overview map
BLM Eastern States (2019)
IFR Enroute Low Altitude Chart L-20 (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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).