Porvenir Tank
Reservoir in Pinal County, Arizona · on the USGS Greene Reservoir quadrangle
32.52145, -111.64017
Maps that show Porvenir Tank
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Greene Reservoir, 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).