CONTEXTS 



SfJJr 

 Geol. 

 Lib. 



S 



An 



L3T1 



Page. 



Soil Survey of the Solomonsville Area, Arizona. By Macv H. Lapham 



and N. P. Xeill 5 



Location and boundaries of the area 5 



History of settlement and agricultural devel< tpment 6 



Climate - 7 



Physiography and geology 8 



Soils 10 



Maricopa gravelly loam 11 



Gila fine sandy loam 12 



Maricopa sand - 1-1 



Maricopa sandy loam 15 



Maricopa silt loam 17 



Pecos sand - 19 



Riverwash 20 



"Water supply for irrigation - 20 



Underground and seepage water 22 



Alkali in soils 24 



Reclamation of alkali land 26 



Agricultural methods 27 



Agricultural conditions - 29 



ILLUSTRATIONS. 



PLATE. 



Plate I. Alkali map, Solomonsville sheet, Arizona (colored plate) 



text figure. 

 Fig. 1. Sketch map showing position of the Solomonsville area, Arizona 



MAP. 



Soil map, Solomonsville sheet. Arizona. 



Page. 

 24 



