The Esperanza Mill and its associated industrial infrastructure anchor the northern reaches of this Pima County landscape, where the Santa Cruz Valley transitions into the arid western uplands. The drainage patterns of the Santa Cruz River and its various tributaries, including Amargosa Wash and Escondido Wash, dominate the terrain, illustrating the hydrological management essential to this desert region. Residential expansion is visible along the eastern edge, with the development of Green Valley and Canoa Ranch showing a shift toward suburban and recreational land use, exemplified by the Desert Hills Golf Course.
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This is the sole edition of this map. No revisions or reprints were ever made.
1904 · Patagonia
USGS Topo · 1:125,000
1905 · Patagonia
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
1926 · Helvetia
USGS Topo · 1:62,500
1939 · Twin Buttes
USGS Topo · 1:62,500
1939 · Tubac
USGS Topo · 1:62,500
1941 · Twin Buttes
USGS Topo · 1:62,500
1943 · Tubac
USGS Topo · 1:62,500