Big Tank
Reservoir in Pinal County, Arizona · on the USGS Friendly Corners quadrangle
32.57121, -111.58795
Maps that show Big Tank
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Friendly Corners, AZ
USGS topo, 2021
Eloy, AZ
USGS historical 15-minute topo (1947)
Eloy, AZ
USGS historical 15-minute topo (1948)
Eloy, AZ
USGS historical 15-minute topo (1963)
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
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).