Big Bertha Tank

Reservoir in Maricopa County, Arizona · on the USGS Mobile NE quadrangle

33.14227, -112.28821

Maps that show Big Bertha Tank

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Mobile NE, AZ — USGS 7.5-minute topo (2021)

Mobile NE, AZ

USGS topo, 2021

Mobile, AZ — USGS historical 15-minute topo (1951)

Mobile, AZ

USGS historical 15-minute topo (1951)

Sonoran Desert National Monument Map — BLM Arizona (2020)

Sonoran Desert National Monument Map

BLM Arizona (2020)

IFR Enroute Low Altitude Chart L-05 (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-04 (U.S.)

FAA, 2026-10-29

Name, class, county and location: USGS Geographic Names Information System (public domain).