152 



The Philippine Journal of Science 





1 



Nonthermal. 



Do. 

 Nonthermal, mildly sulphu- 

 reted. 

 Do. 

 Nonthermal. 



Do. 

 Large nonthermal spring. 

 Series of large hot and cold 

 springs. Sample from cool 

 portion (31° C). 

 Sample from hot portion 



(45° C). 

 Temperature 23° C. 

 Temperature 70° C; probably 

 from same source as water 

 for sanitarium. 

 Temperature 22° C; probably 

 seepage from a river in vic- 

 inity. 

 Temperature 25°C. 



Do. 

 Temperature 21.5° C. 

 Temperature 22° C. 

 Temperature 25° C. 



A . a" 



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Loose volcanic agglomerate- 

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San Diego Spring * 



San Vicente Spring 



Buenaventura Spring 



Small spring 



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