TABIE 4. Free carbon dioxide in P. P.M. and acidity as 



calcium carbonate in P. P.M., Roosevelt Lake, 1948, 



Depth Kettle River Flat Gr. 



in 7/9 5/19 T/iO 

 Feet CO2 Acid. CO2 Acid. CO2 Acid, 



0.5 1.1 - - 0.5 1.1 



10 0.5 1.1 0.5 1.1 0.5 1.1 



20 0.5 1.1 0.5 1.1 0.5 1.1 



30 0.5 1.1 0.5 1.1 0.5 1.1 



40 0,5 1.1 0.5 1.1 0.5 1.1 



50 0.5 1.1 0.5 1.1 0.5 1.1 



60 0.5 1.1 0.5 1.1 0.5 1.1 



67 - . - _ 0.5 1.1 



70 0.5 1.1 4.5 10.2 



75 - - - _ - _ 



80 0.5 1.1 - - - - 

 100 



14 



