Big Tank
Reservoir in Pima County, Arizona · on the USGS Piety Hill quadrangle
32.29440, -110.50867
Maps that show Big Tank
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Piety Hill, AZ
USGS topo, 2021
Bellota Ranch, AZ
USGS historical 15-minute topo (1957)
Santa Catalina Ranger District Motor Vehicle Use Map (MVUM)
Coronado National Forest
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).