
The Cajon Pass serves as the dominant geographic and transport corridor in this 1950s survey of the San Bernardino National Forest. The map documents a critical nexus of Southern California infrastructure, where the Union Pacific and Atchison Topeka and Santa Fe railroads thread through the narrow canyon alongside U.S. 66 91 395. This era represents the height of the historic Route 66 period, showing roadside points like Cajon Junction and Cosy Dell before later interstate expansions.
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8 editions found
1896 · San Bernardino
USGS Topo · 1:62,500
1897 · Cucamonga
USGS Topo · 1:62,500
1898 · San Bernardino
USGS Topo · 1:62,500
1900 · Cucamonga
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1901 · San Bernardino
USGS Topo · 1:62,500
1902 · Hesperia
USGS Topo · 1:62,500
1903 · Cucamonga
USGS Topo · 1:62,500
1903 · San Antonio
USGS Topo · 1:62,500
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000