
Wrightwood and the surrounding high country of the San Gabriel Mountains anchor this 1942 survey, revealing a landscape defined by the dramatic meeting of alpine peaks and the Mojave Desert. The area is bisected by the Swarthout Valley, where the Big Pines Recreation Area and the Smithsonian Observatory demonstrate the region's mid-century role as both a recreational retreat and a scientific outpost. Along the northern desert fringe, a network of family holdings like the Smith Ranch, Kunzel Ranch, and Eierman Ranch line the Lancaster Road, marking the transition from rugged mountain canyons to the arid flats near Phelan.
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4 editions found
1894 · Pomona
USGS Topo · 1:62,500
1896 · San Bernardino
USGS Topo · 1:62,500
1897 · Pomona
USGS Topo · 1:62,500
1897 · Cucamonga
USGS Topo · 1:62,500
1898 · Pomona
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