
The Ridge Route Highway snakes through this high-elevation landscape in the mid-1930s, providing a critical transit link across the mountainous divide between the Central Valley and the Los Angeles basin. This era is characterized by early recreation and conservation efforts, evidenced by the Oak Flat Playground (Los Angeles City) and the vast expanse of the Santa Barbara National Forest. The map reveals a rugged backcountry where seasonal waters like Piru Creek and Agua Blanca Creek carve deep through the terrain.
15 named features on this map. Tap any name to fly to it.
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4 editions found
1900 · Piru
USGS Topo · 1:62,500
1903 · Tejon
USGS Topo · 1:125,000
1903 · Camulos
USGS Topo · 1:125,000
1903 · Santa Susana
USGS Topo · 1:62,500
1921 · Piru
USGS Topo · 1:62,500
1931 · Whitaker Peak
USGS Topo · 1:24,000
1931 · Santa Felicia Canyon
USGS Topo · 1:24,000
1931 · Castaic
USGS Topo · 1:24,000
1931 · Redrock Mtn
USGS Topo · 1:24,000
1932 · Beartrap Canyon
USGS Topo · 1:24,000