Helvetia and the southern reaches of the Santa Rita Mountains define this arid landscape, which in the early 21st century remains marked by historical mining and ranching footprints. The map centers on the high desert terrain surrounding Castle Dome and Huerfano Butte, where a complex network of forest roads like S Helvetia Rd and Road 485 connect scattered landmarks. Local history is anchored by the Helvetia Cem and the Santa Rita Ranch, while the southeastern corner shows the road toward Greaterville. The landscape is deeply dissected by drainages including Box Canyon Wash and Sawmill Canyon Wash, which lead into rugged features like Florida Canyon and Sycamore Canyon. Numerous water sources such as Paja Verde Spring and Chavez Spring dot the mountain slopes, indicating the vital importance of these points in a dry environment.
57 named features on this map. Tap any name to fly to it.
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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
1922 · Agus Caliente
USGS Topo · 1:62,500
1926 · Helvetia
USGS Topo · 1:62,500
1932 · Elgin
USGS Topo · 1:62,500
1940 · Elgin
USGS Topo · 1:62,500
1947 · Elgin
USGS Topo · 1:62,500
1948 · Sonoita
USGS Topo · 1:24,000
1956 · Nogales
USGS Topo · 1:250,000
1958 · Nogales
USGS Topo · 1:250,000