
San Bernardino National Forest dominates the northern half of this 2021 study, where the steep canyons of the Transverse Ranges meet the urban edge of the Inland Empire. The interface between the wilderness and development is starkly defined along the foot of the mountains, particularly where Badger Canyon and Waterman Canyon descend toward the valley floor. High-altitude mountain communities like Crestline, Valley of Enchantment, and Skyland surround Lake Gregory, while the lowlands are characterized by the industrial and residential grid of San Bernardino and Muscoy.
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This is the sole edition of this map. No revisions or reprints were ever made.
1896 · San Bernardino
USGS Topo · 1:62,500
1898 · San Bernardino
USGS Topo · 1:62,500
1899 · Redlands
USGS Topo · 1:62,500
1901 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1901 · San Bernardino
USGS Topo · 1:62,500
1901 · Redlands
USGS Topo · 1:62,500
1902 · Deep Creek
USGS Topo · 1:62,500
1902 · Hesperia
USGS Topo · 1:62,500
1904 · Southern California Sheet No. 1
USGS Topo · 1:250,000
1936 · Devore
USGS Topo · 1:31,680