
The Dark Hole marks a distinctive topographical pocket within the Diablo Range, situated along the complex junction of Fresno, Monterey, and Kings counties. The terrain is characterized by the sharp uplift of Reef Ridge and the Kreyenhagen Hills, which frame a network of seasonal drainages including Arroyo Pinoso and Beltran Cr. This survey captures the arid landscape’s reliance on isolated water sources like Vaquero Spring and Number Seven Spring, which have historically dictated human activity in these remote highlands.
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This is the sole edition of this map. No revisions or reprints were ever made.
1912 · Coalinga
USGS Topo · 1:125,000
1914 · Cholame
USGS Topo · 1:125,000
1915 · Cholame
USGS Topo · 1:125,000
1917 · Cholame
USGS Topo · 1:125,000
1930 · Canoas Creek
USGS Topo · 1:31,680
1934 · The Dark Hole
USGS Topo · 1:31,680
1934 · Reef Ridge
USGS Topo · 1:31,680
1934 · Canoas Creek
USGS Topo · 1:31,680
1936 · Kreyenhagen Hills
USGS Topo · 1:31,680
1937 · Reef Ridge
USGS Topo · 1:31,680