164 



RECLAIMING ALKALI LANDS 



out 3648 tons of salt over the measuring weir in addition 

 to the salt washed to lower depths by percolating. water. 

 Tables XVII and XVIII show in detail the rate of re- 

 moval of the salts. 



TABLE XVIII. QUANTITIES OF ALKALI AT DIFFERENT DEPTHS 



OF SOIL ON CERTAIN DATES AND COMPOSITION OF DRAINAGE 



WATER. SWAN TRACT NEAR SALT LAKE CITY 



Chemical Analysis of Drainage Water (in Parts per 1,000,000) 



