
Ash Peak stands as a prominent landmark at the southeastern corner of this arid landscape, which straddles the high-desert border of Graham and Greenlee Counties. The terrain is defined by the sharp elevations of the Peloncillo Mountains and the Black Hills, where numerous canyons such as Tollgate Canyon and Walnut Canyon carve through the earth. Because of the limited natural surface water, the area relies on a network of man-made improvements and seasonal sources, including Yellowstone Tank, Moody Tank, and the reliably named Harris Camp Spring. The presence of features like Thumb Butte and Rhyolite Peak indicates a complex volcanic geology, while the passage of Coronado Blvd and several local routes through gaps like Ash Peak Canyon reveals how human movement is dictated by these natural corridors. This modern topographic record documents the essential water-management infrastructure required for ranching and travel in this corner of the Arizona backcountry.
38 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.
1954 · Silver City
USGS Topo · 1:250,000
1958 · Silver City
USGS Topo · 1:250,000
1959 · York Valley
USGS Topo · 1:62,500
1960 · Guthrie
USGS Topo · 1:62,500
1960 · Duncan
USGS Topo · 1:62,500
1962 · Silver City
USGS Topo · 1:250,000
1966 · Whitlock Mts. NE
USGS Topo · 1:24,000
1966 · Dry Mountain
USGS Topo · 1:24,000
1985 · Gila Box
USGS Topo · 1:24,000
1985 · Tollgate Tank
USGS Topo · 1:24,000