Warner Springs and the expansive waters of Lake Henshaw anchor this Southern California landscape at the start of the 2010s. The region is defined by a network of ranching properties, including Omaya Ranch and Chamberlain Ranch, alongside specialized facilities like the Warner Springs Gliderport and the Puerta La Cruz Conservation Camp. The San Luis Rey River winds through the canyons, connecting small settlements such as Holcomb Village and Sunshine Summit. Local geography is marked by varied water features including Swan Lake, Lost Lake, and the specific Warner Hot Spring. The presence of several campgrounds, such as the Indian Flats Group Campground, indicates the area's transition into a destination for recreation and conservation, while long-standing routes like Chihuahua Valley Rd and Puerta La Cruz Rd maintain the traditional connectivity of this backcountry terrain.
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This is the sole edition of this map. No revisions or reprints were ever made.
1903 · Ramona
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 2
USGS Topo · 1:250,000
1939 · Warner Springs
USGS Topo · 1:62,500
1939 · Santa Ysabel
USGS Topo · 1:62,500
1939 · Palomar Mountain
USGS Topo · 1:62,500
1942 · Ramona
USGS Topo · 1:62,500
1943 · Santa Ysabel
USGS Topo · 1:62,500
1943 · Warner Springs
USGS Topo · 1:62,500
1947 · Ramona
USGS Topo · 1:62,500
1947 · Santa Ana
USGS Topo · 1:250,000