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HUNTINGTON AND GOLDTHWAIT: THE HURRICANE FAULT. 201 
eastward across the broad plateau country, where prevailing horizontality 
of surface is not weakened but rather strengthened by the long mesas 
and terraces with their steep fronts, which display the bare horizontal 
rock structure with all the emphasis that color can give. On the north- 
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Ficure 1. 
Sketch-map of part of the region traversed by the Hurricane fault. (From Journal of 
Geology.) K=Kanarra; B=Bellevue; T=Toquerville; G=Gould’s ranch; St= 
St. George; F= Fort Pierce; Bk = Black Rock spring; Tr =Mt. Trumbull; C =Coal 
spring. 
east is the lofty Colob plateau, too far distant to distinguish the 
smoothly graded slopes of its mature low-mountainous topography ; but 
its conspicuous southwestern flank faces the observer, —a lofty ragged 
cliff front of red sandstone, the western end of the Vermilion cliff. 
