
Ambrosia Mill and the Tiger Well landmark anchor this desert landscape in western Maricopa County, positioned between two prominent ranges. The terrain is defined by the high elevations of the Harquahala Mountains to the northwest and the Big Horn Mountains to the south. A network of ephemeral drainages, including Browns Canyon Wash, Tiger Wash, and Pump Mine Wash, indicates the complex hydrological patterns that shape the arid floor. The map documents an area deeply tied to its mineral and water resources, with transport routes like Aguila Rd and Eagle Eye Rd connecting the remote industrial sites to the wider region. Much of the activity is concentrated around Browns Canyon, where the topography transitions from the rugged mountain slopes to the alluvial fans below.
21 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1942 · Vicksburg
USGS Topo · 1:250,000
1954 · Phoenix
USGS Topo · 1:250,000
1957 · Phoenix
USGS Topo · 1:250,000
1958 · Phoenix
USGS Topo · 1:250,000
1960 · Phoenix
USGS Topo · 1:250,000
1961 · Lone Mountain
USGS Topo · 1:62,500
1961 · Big Horn Mts
USGS Topo · 1:62,500
1961 · Gladden
USGS Topo · 1:62,500
1962 · Aguila
USGS Topo · 1:62,500
1969 · Phoenix
USGS Topo · 1:250,000