
The Santa Cruz River valley south of Tucson reveals a landscape defined by ranching, mining, and military utility during the late 1950s. At the heart of the region, Sahuarita and Continental serve as the primary hubs of settlement along the highway and rail corridor. To the east, the rugged foothills of the Santa Rita Mountains harbor the legacy of the copper industry at Helvetia, where a Cem stands as a quiet marker of the community's early residents.
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3 editions found
1904 · Patagonia
USGS Topo · 1:125,000
1904 · Tucson
USGS Topo · 1:125,000
1905 · Patagonia
USGS Topo · 1:125,000
1905 · Tucson
USGS Topo · 1:125,000
1920 · Arivaca
USGS Topo · 1:125,000
1922 · Agus Caliente
USGS Topo · 1:62,500
1925 · Samaniego Peak
USGS Topo · 1:62,500
1925 · San Xavier
USGS Topo · 1:62,500
1926 · Helvetia
USGS Topo · 1:62,500
1932 · Elgin
USGS Topo · 1:62,500