West Brown Tank
Reservoir in Pima County, Arizona · on the USGS Mildred Peak quadrangle
31.74976, -111.50235
Maps that show West Brown Tank
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Mildred Peak, AZ
USGS topo, 2021

Presumido Peak, AZ
USGS historical 15-minute topo (1941)

Presumido Peak, AZ
USGS historical 15-minute topo (1943)

Nogales & Sierra Vista Ranger Districts
Front 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).