XI, A, 5 



Pratt: Philippine Lakes 



227 



to the north and west, which are taken to represent the outer 

 slope of the old cone. Centeno calculated the height of this 



Fig. 2. Bombon, or Taal, Lake, southwestern Luzon. (Depths and elevations are given 



in meters.) 



former volcano at 3,750 meters. Adams * points out that the 

 volcanic tuff region which had been interpreted as part of the 

 contour of the former cone is too nearly level to have been part 



Op. cit., 102. 



