
The eastern escarpments of the North Pinyon Mountains and Pinyon Ridge dominate this late-1950s survey of the California high desert. Within the Anza-Borrego Desert State Park, the landscape is defined by a dense network of water sources essential for survival in this arid environment, ranging from Hellhole Palms and Maidenhair Falls to high-elevation seeps like Cottonwood Spring and Bitter Creek Spring.
57 named features on this map. Tap any name to fly to it.
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4 editions found
1903 · Ramona
USGS Topo · 1:125,000
1904 · Indio
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 2
USGS Topo · 1:250,000
1931 · Vallecito
USGS Topo · 1:125,000
1939 · Warner Springs
USGS Topo · 1:62,500
1939 · Santa Ysabel
USGS Topo · 1:62,500
1939 · Borrego
USGS Topo · 1:62,500
1941 · Clark Lake
USGS Topo · 1:62,500
1942 · Clark Lake
USGS Topo · 1:62,500
1942 · Borego
USGS Topo · 1:62,500