
Mining operations dominate the Cargo Muchocho Mountains in this landscape of the late twentieth century. Numerous hard-rock extraction sites are documented, including the American Girl Mine, Padre Madre Mine, and Cargo Mine. The presence of Obregon and the Ogilby (Site) suggests the transition from active settlement to historical footprint. The landscape is sharply divided between the high peaks of Pasadena Peak and Stud Mountain and the shifting terrain of the Algodones Dunes to the southwest. Transport and utility infrastructure is represented by a persistent Trans Line and a system of dikes, while local history is anchored by a lone Cem near the Ogilby townsite. The intricate drainage network of American Girl Wash and Tumco Wash illustrates how water shaped the access routes into these mineral-rich canyons.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Yuma
USGS Topo · 1:125,000
1905 · Yuma
USGS Topo · 1:125,000
1940 · Yuma
USGS Topo · 1:62,500
1942 · Yuma
USGS Topo · 1:250,000
1945 · Picacho Peak
USGS Topo · 1:62,500
1945 · Yuma
USGS Topo · 1:62,500
1951 · Picacho Peak
USGS Topo · 1:62,500
1952 · Araz
USGS Topo · 1:24,000
1952 · Yuma West
USGS Topo · 1:24,000
1953 · Grays Well
USGS Topo · 1:24,000