Rattlesnake Canyon and the high desert terrain of the Bighorn Mountains dominate this 2012 survey in San Bernardino County. The landscape is defined by its critical water sources, including the descriptively named Two Hole Spring, One Hole Spring, and Mound Spring, which have long served as essential landmarks in this arid environment. A notable biological landmark, the Champion Joshua Tree, is situated near Lone Valley, marking a point of interest for naturalists and locals alike.
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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
1902 · San Gorgonio
USGS Topo · 1:125,000
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1947 · Lucerne Valley
USGS Topo · 1:62,500
1949 · Lucerne Valley
USGS Topo · 1:62,500
1953 · San Bernardino
USGS Topo · 1:250,000
1954 · San Gorgonio Mountain
USGS Topo · 1:62,500
1955 · Old Woman Springs
USGS Topo · 1:62,500
1955 · Morongo Valley
USGS Topo · 1:62,500
1956 · San Bernardino
USGS Topo · 1:250,000