U. §. GEOLOGICAL SURVEY BULLETIN 613 PLATE XXXVII 
A, TYPICAL DESERT VALLEY OF NORTHWESTERN ARIZONA. 
View northward from north end of Hualpai Mountains near track of Santa Fe Railway, Granite Mountains to 
right; Grand Wash Cliffs in the distance. 
B. EDGE OF DESERT PLAIN ON WEST SIDE OF HUALPAI MOUNTAINS, ARIZ. 
The sandy plain gives place abruptly to a slope of granite which is weathered into huge fragments. 
