
The San Gorgonio Pass serves as a critical transportation corridor in this mid-century survey, dominated by the path of the Southern Pacific railroad and the massive infrastructure of the Colorado River Aqueduct. The Morongo Indian Reservation encompasses much of the surrounding territory, with tribal lands extending into the northern canyons and southern slopes of the San Jacinto Mountains. Notable infrastructure from this era includes the Banning Airport, a Radio Fan Beacon, and the East Portal where water management systems pierce the mountain terrain.
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5 editions found
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1901 · San Jacinto
USGS Topo · 1:125,000
1902 · San Gorgonio
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1940 · Palm Springs
USGS Topo · 1:62,500
1942 · Banning
USGS Topo · 1:62,500
1943 · Banning
USGS Topo · 1:62,500
1944 · Palm Springs
USGS Topo · 1:62,500
1947 · Santa Ana
USGS Topo · 1:250,000
1949 · Santa Ana
USGS Topo · 1:250,000