
Montezuma Valley serves as a central corridor for this 1960s study of the high desert and mountain interface in San Diego County. The settlement of Ranchita sits at the intersection of high-elevation ranching and the descent into the arid lowlands. Water sources are critical markers across this landscape, with named springs such as Lithia Spring, Paroli Spring, and Catfish Spring punctuating the arid stretches. The map documents the overlap of diverse land management, ranging from the Los Coyotes Indian Reservation and Santa Ysabel Indian Reservation to the western fringes of the Anza-Borrego Desert State Park.
44 named features on this map. Tap any name to fly to it.
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3 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