190 
Figure 32 
3 
. Section through Aubrey Cliffs, ncethvweet of Seligman, Ari 
. Ideal section through a recent lava field and vent 
. Section through sand and gravel deposits of the sloping plain along 
. Bird’s-eye view of Cajon Pass and vicinity, California 
GUIDEBOOK OF THE WESTERN UNITED STATES. 
Sections showing relations of granite — ie in canyon of iecsee 
Wash between Valentine and Trux 
. Section of the Grand Wash Cliffs vest ES pantiens Ari 
. Section showing - — of voleanic rocks between Bhat ‘and 
McConnico, Ari 
. Section showing succession of volcanic rocks in east face of Black 
northwest of Yucca, Ariz 
Mesa 
. Sketch ‘section showing quartzite (hard sandstone) on granite at 
south end of the Iron Mountains, southwest of Siam, Cal 
the Santa Fe Railway north of the San Gabriel Mountains, near 
Victorville, Cal. . 
