
The San Andreas Fault cuts a visible path through the southern foothills of this high desert region, marking the geologic boundary where the Angeles National Forest meets the developed plains of the Antelope Valley. The landscape is defined by the rigid grid of the valley floor, centered on the community of Del Sur, contrasted against the uplifted terrain of Portal Ridge and Johnson Summit. Flowing through this arid environment, the Governor Edmund G Brown East Branch California Aqueduct provides a critical water lifeline for the expanding urban footprints of nearby Lancaster and Palmdale.
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This is the sole edition of this map. No revisions or reprints were ever made.
1915 · Elizabeth Lake
USGS Topo · 1:125,000
1917 · Elizabeth Lake
USGS Topo · 1:125,000
1931 · Little Buttes
USGS Topo · 1:24,000
1931 · Del Sur
USGS Topo · 1:24,000
1931 · Esperanza School
USGS Topo · 1:24,000
1932 · Lake
USGS Topo · 1:24,000
1934 · Little Buttes
USGS Topo · 1:24,000
1934 · Esperanza School
USGS Topo · 1:24,000
1936 · Del Sur
USGS Topo · 1:24,000
1937 · Lake
USGS Topo · 1:24,000