524 



BuLivETiN 84 



it is far below the surface. Precipitation at various points averaged 

 about 14.5 inches in 1914. About 300,000 acres of land in this val- 

 ley are adapted to dry-farming, but reclamation will probably be 

 restricted to the area which can be operated by settlers obtaining 

 their domestic water supply from Pipe Springs. Mechanical and 

 chemical analyses of a sample of soil from Pipe Springs Valley are 

 reported in Tables XIV and XV. It is a very fine sandy loam char- 

 acteristic of the region, easily cultivated, and shifted but little by 

 winds. The percentage of clay increases in the deeper samples, and 

 the soil appears to have lasting fertility. It is free from alkali in 

 injurious amounts, fairly well supplied with nitrogen and humus, 

 and rich in lime. This soil closely resembles that of the Southern 

 Utah Experiment Farm at St. George. 



table: XIV. MECHANICAL ANALYSIS OF SOIL FROM PIPE; SPRINGS, NORTH 



OF THE GRAND CANYON 



TABLE XV. CHEMICAL ANALYSIS OE SOIL EROM PIPE SPRINGS, NORTH 



OF THE GRAND CANYON 



