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1943 Map of Galiuro Mts

Name: 1943 Topographic Map of Galiuro Mts
Creator: U.S. Geological Survey
Published: 1943
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1943

About this map

Crook National Forest dominates this landscape, surveyed in 1938 and published during the second World War. The map details a transition from cattle ranching to hard-rock mining along the sharp ridges of the Galiuro Mountains. Remote outposts like Geronimo Camp, YLE Ranch, and Mercer Ranch are connected by narrow trails and washes, illustrating the isolated nature of the Arizona backcountry in this era.

Mineral extraction is heavily represented in the northern and central sections, specifically near Sombrero Butte. Named operations such as the Bunker Hill Mine, Magna Mine, and the Sixteen To One Mine highlight the industrial history of the region. Notable geographic landmarks including Bassett Peak, Kennedy Peak, and the deep cuts of Rattlesnake Canyon provide essential context for the complex topography that shaped early 20th-century settlement patterns and resource development across Graham, Pinal, and Pima counties.