
San Bernardino National Forest covers much of this high-elevation landscape in Riverside County, dominated by the prominent peaks of Thomas Mountain and Butterfly Peak. The terrain is defined by a series of flats and valleys, including Burnt Valley, Sagebrush Flat, and Vandeventer Flat, which are connected by a network of forest service roads and specialized trails. The presence of the Pacific Crest National Scenic Tr indicates the area's importance for long-distance transit through the southern California ranges.
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This is the sole edition of this map. No revisions or reprints were ever made.
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1901 · San Jacinto
USGS Topo · 1:125,000
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
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1931 · Vallecito
USGS Topo · 1:125,000
1939 · Warner Springs
USGS Topo · 1:62,500
1940 · Hemet Reservoir
USGS Topo · 1:62,500
1941 · Toro Peak
USGS Topo · 1:62,500