320 



The Philippine Journal of Science 



1914 



v 



3 



a 



s 

 o 



o 



55. 



5 



s 





a 



Reaction. 



Alkaline. 



Do. 



Do. 



Do. 



Do. 



Do. 

 Do. 



Do. 



Do. 

 Do. 



Do. 

 Neutral. 

 Alkaline. 



s 

 t 



0. 



2 

 1 



m 

 >. 



Normal 



do - 



do - 



Slight red sediment... 



Brown, with slight sediment 



Turbid 



Normal _ , 



do 



do 



do 



do 



do 



do 



No. of well and description. 



No. 569; 117.3 meters deep; cased 



103.5 meters; pumps 23 liters 



per minute. 

 No. 406; pumps B3 liters per 



minute. 

 No. 498; 167.6 meters deep; 



pumps 75 liters per minute. 

 No. 423; pumps 75 liters per 



minute. 

 No. 448; 271.2 meters deep; 



pumps 113 liters per minute. 



No. 448; 271.2 meters deep; 



pumps 113 liters per minute. 

 No. 602; 91.4 meters deep; 



pumps 75 liters per minute. 



Well atSan Juan 



No. 448; 271.2 meters deep; 



cased 88.3 meters; pumps 113 



liters per minute. 

 No. 502; 91.4 meters deep; 



pumps 75 liters per minute. 

 No. 546; 29.8 meters deep; 



pumps 132 liters per minute. 

 No. 579; 212.7 meters deep; flows 



10 and pumps 95 liters per 



minute at 7 meters from 



surface. 



Locality. 



Rizal, Malabon 



Rizal, Montalban _ 



do - - - 



do 



Rizal, Morong 



San Pedro 



do-- 



do...- - 



do 



do 



do 



do - 



Rizal, Navotas, Tanza 



6 

 a 

 Q 



October, 1913 



March, 1913 



April, 1913- 



March. 1913 -- 



February, 1913 



March, 1913 



April, 1913 



do 



do... - 



October, 1913 



do 



do 



December, 1913 



Labo- 

 ratory 

 No. 



11767S 



112498 



113642 



112499 



112141 



112476 

 112897 



112898 



113093 

 117668 



117554 

 117565 

 117895 



Trac- 

 ing 

 .No. 



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