First Tank
Reservoir in Yavapai County, Arizona · on the USGS Martin Mountain quadrangle
34.54278, -112.78253
Maps that show First Tank
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Martin Mountain, AZ
USGS topo, 2026
Sheridan Mountain, AZ
USGS historical 15-minute topo (1947)
Sheridan Mountain, AZ
USGS historical 15-minute topo (1950)
IFR Enroute Low Altitude Chart L-08 (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-03 (U.S.)
FAA, 2026-10-29
Nearby
Name, class, county and location: USGS Geographic Names Information System (public domain).