Initial Point
Summit in Maricopa County, Arizona · on the USGS Tolleson quadrangle
33.37699, -112.30627
Maps that show Initial Point
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Tolleson, AZ
USGS topo, 2021

Avondale, AZ
USGS historical 15-minute topo (1946)

Cashion, AZ
USGS historical 15-minute topo (1948)

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).