AGRICULTURAL TEXT-BOOK. 19 



The Sclmylkill water, when settled clear, is water of superior 

 purity. 



58. THE WATERS OF THE DEAD SEA, ( Poggendor/,) pro 

 cured near the North end, not far from the mouth of the Jordan : 

 Chloride of Calcium, - 2.894 



Chloride of Magnesium, - - 10.534 



Chloride of Potassium, 1.398 



Chloride of Sodium, - 6.578 



Chloride of Aluminum, 0.0 1 8 



Bromide of Magnesium, - - - 0.251 



Sulphate of Lime, 0.088 



Silica, - .-*-,- - - - 0.003 



21.773 



59. Water from the GREAT SALT LAKE, Utah Territory, 

 (Dr. L. D. Gale.) The water was perfectly clear, and had the 

 specific gravity of 1.1 7 0. 



100 parts evaporated to dryness, and heated to 300 Fahr., 

 gave solid contents 22.422, and consisted of 



Chloride of Sodium, - 20.196 



Sulphate of Soda, - 1.834 



Chloride of Magnesium, 0.252 



Chloride of Calcium, - - 0. trace. 



CO. WARM SPRING, OF SALT LAKE CITY, (Dr. L. D. Gale,} 

 100 parts of water gave : 



Sulphuretted hydrogen, absorbed in the water, 0.037454 

 &quot; combined with basis, 0.000728 



Carbonate of Lime, precipated by boiling 0.075000 



Carbonate of Magnesia, &quot; &quot; 0.022770 



Chloride of Calcium, - 0.005700 



Sulphate of Soda, - - 0.064835 



Chloride of Sodium, - 0.816600 



1.023087 



