Dalburg and Pratt : Bulacan Iron Ores.] 



[Phil. Journ. Sci., IX, A, No 3. 



Fig. 1. Binangonan limestone in IWount Baliay Panique (home of the bats) : lool<ing 



southwest. 



Fig. 2. Typically forest-covered slope in iron-ore region: Mount Wlayapo 



Fig. 3. Balubad Falls in bedded tuff; Balaong River. 

 PLATE I. 



