136 



Soils of tJie Far West. 



FRESNO SERIES. 



The Fresno series and associated soils are of granitic origin, and 

 occupy valleys and Pacific Coastal plain. 



Fresno sand. — Coarse, loose, incoherent sand, 6 feet or more in 

 depth, naturally free from alkali. Level plains, deltas; of sedi- 

 mentar}' origin. Adapted to stone fruits and truck when irri- 

 gated; occasionally dry-farmed to wheat. Is used for English 

 walnuts. Similar to Norfolk sand truck soils of the Eastern States. 



Soil (31) 30 54 



Subsoil (9) 27 47 



3 4 



10 4 

 16 6 



Acres. 



Fresno, Cal 163, 200 



Hanford, Cal 20,790 



Indio, Cal 50,112 



Los Angeles, Cal 58, 112 



Lower Arkansas Valley, Colo. . 95, 680 

 Lower Salinas Valley, Cal 25,030 



Acres. 



Provo, Utah 10, 368 



Salt Lake, Utal "3, 020 



San Gabriel, Cal b45, 420 



Santa Ann. Cal 66, 380 



Ventura, Cal 6, 430 



Weber County, Utah ('23, 700 



Fresno red sand. — This soil consists of compact red sand of 

 medium texture to a depth of 6 feet or more. It is derived from 

 disintegration of crystalline rocks. This material has been carried 

 down from the mountains and distributed usually in gentle slopes 

 by foothill streams. The surface is also somewhat modified by 

 wind action. It is well drained, free from alkali, and adapted to 

 vines, stone fruits, and truck crops. 



1 1» 3 4 



Soil (5) 42 48 7 5 



Acres. 

 Fresno, Cal 43, 776 



Fresno fine sand. — Dark-reddish fine sand, micaceous, usually 6 

 feet or more in depth, but often streaked with coarse sedimentary 

 deposits. Sometimes underlain by sand or fine sandy loam. 

 Occurs in level delta plains and low river terraces. Derived 

 largely from disintegration of granitic rocks. Generally well 



"Mapped as Jordan sand, which name will not be used hereafter. 

 b Mapped in part as San Gabriel gravelly sand, but now included as a gravelly 

 phase of Fresno sand, 

 f Mapped in i)art as Jordan sand, which name will not be used hereafter. 



