
The mining landscape of the Coronado National Forest along the Arizona-Sonora border is deeply etched with the history of the Oro Blanco District. In the late 1970s, this area remained defined by a dense concentration of hard-rock claims and early 20th-century legacy sites. Notable operations like the Yellow Jacket Mine, Austerlitz Mine, and Warsaw Mine are interspersed with family-named ranches such as Oro Blanco Ranch and Tres Bellotas Ranch. The map reveals the social infrastructure of these remote camps through features like El Oro Cem and the Saint Christopher Mine. Steep drainages like Warsaw Canyon and Old Glory Canyon channeled the region's limited water into essential storage points such as Old Glory Spring and Warsaw Tank. This rugged borderland topography, marked by Cobre Ridge and Bartlett Mtn, illustrates the persistent efforts of prospectors to extract mineral wealth from the arid slopes above the United States Mexico boundary.
79 named features on this map. Tap any name to fly to it.
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4 editions found
1920 · Arivaca
USGS Topo · 1:125,000
1921 · Old Glory
USGS Topo · 1:125,000
1939 · Tubac
USGS Topo · 1:62,500
1941 · Arivaca
USGS Topo · 1:62,500
1942 · Ruby
USGS Topo · 1:62,500
1942 · Oro Blanco
USGS Topo · 1:62,500
1943 · Arivaca
USGS Topo · 1:62,500
1943 · Old Glory
USGS Topo · 1:125,000
1943 · Tubac
USGS Topo · 1:62,500
1944 · Oro Blanco
USGS Topo · 1:62,500