
San Andreas Rift Valley cuts a prominent geological furrow across this landscape, dividing the high desert flats of the Antelope Valley from the rugged elevations of the Sierra Pelona. In the late 1930s, the community of Palmdale serves as a vital junction where the Southern Pacific railroad and the Sierra Highway parallel one another through the pass. This network supported small outlying settlements and ranches such as Harold, Alpine, and Casa del Adobe. Water management is central to the area's development, evidenced by the large Palmdale Reservoir and Una Lake situated along the rift, as well as an Abandoned Ditch and various springs. The map reveals a transition from organized town blocks to isolated homesteads like City Ranch and Sunset Ranch, providing a clear view of the region's early transportation and ranching layout.
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4 editions found
1900 · Tujunga
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
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
1930 · Ravenna
USGS Topo · 1:24,000
1930 · Lancaster
USGS Topo · 1:24,000
1930 · Pearland
USGS Topo · 1:24,000
1930 · Tierra Bonita
USGS Topo · 1:24,000
1931 · Del Sur
USGS Topo · 1:24,000