Twenty Tank
Reservoir in Gila County, Arizona · on the USGS Promontory Butte quadrangle
34.27643, -111.11485
Maps that show Twenty Tank
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Promontory Butte, AZ
USGS topo, 2021
Promontory Butte, AZ
USGS historical 15-minute topo (1934)
Promontory Butte, AZ
USGS historical 15-minute topo (1939)
Promontory Butte, AZ
USGS historical 15-minute topo (1952)
IFR Enroute Low Altitude Chart L-08 (U.S.)
FAA, 2026-10-29
IFR Enroute Low Altitude Chart L-05 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-04 (U.S.)
FAA, 2026-10-29
IFR Enroute High Altitude Chart H-03 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).