
The Southern Pacific rail line bisects the San Gorgonio Pass, anchoring the development of Beaumont and Banning during the mid-20th century. This area serves as a critical corridor between the San Bernardino National Forest to the north and the San Jacinto Mountains to the south. Local infrastructure is well-defined, including the San Gorgonio Pass Memorial Hospital and the Banning Ranger Station, reflecting the region's growth as a transit and administrative hub.
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10 editions found
1899 · Redlands
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1901 · San Jacinto
USGS Topo · 1:125,000
1901 · Redlands
USGS Topo · 1:62,500
1901 · Elsinore
USGS Topo · 1:125,000
1902 · San Gorgonio
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1942 · Banning
USGS Topo · 1:62,500
1942 · Perris
USGS Topo · 1:62,500
1943 · Perris
USGS Topo · 1:62,500