
Green Valley occupies a central position in this study of the northern reaches of the Angeles National Forest, where steep canyon walls and deep ravines define the landscape's utility. The dominance of water management and electrical infrastructure is evident through the massive Bouquet Reservoir, its associated Bouquet Canyon Dam, and the San Francisquito Powerhouse No 1. These features, alongside the Texas Canyon Engineering Work Center, reflect the intensive mid-century engineering required to support the region's growing utility needs.
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This is the sole edition of this map. No revisions or reprints were ever made.
1900 · Fernando
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1903 · Tejon
USGS Topo · 1:125,000
1903 · Camulos
USGS Topo · 1:125,000
1903 · Santa Susana
USGS Topo · 1:62,500
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1915 · Elizabeth Lake
USGS Topo · 1:125,000
1917 · Elizabeth Lake
USGS Topo · 1:125,000
1929 · Saugus
USGS Topo · 1:24,000
1929 · Lang
USGS Topo · 1:24,000