TWELFTH ANNUAL REPORT 9 



Facing page— 



Plate LIII 40 



Sand-lime brick and artificial sandstone. 



Fig. 1. Talim basalt quarry debris, brick mixture. 

 2. Maytubig beach sand, brick mixture. 



Plate LIV 40 



Lime kiln. 



Plate LV ; 40 



Fig. 1. Machines for testing road materials. 



2. Rizal Quarry Company's quarry, Rizal Province. 



Plate LVI 40 



An outcrop of coal, Nacipit Creek, Uling coal field, Cebu. This 

 seam is 4.75 meters thick, and dips to the west at an angle of 

 about 40°. 



Plate LVII 40 



Fig. 1. Producer-gas plant. 



2. Engine and dynamo direct coupled. 



Plate LVIII 40 



Fig. 1. Bahay well 2, Bahay Valley Oil Company, Bahay, Mula- 

 nay, Tayabas. 

 2. Steel derrick over one of the wells drilled at Toledo, Cebu, 

 in 1896. 



Plate LIX 42 



Crysotile from Dungu-Dungan, Ilocos Norte. 



Plate LX 42 



Mineral veins in the Baguio mineral district. 



Plate LXI 42 



Gold nuggets from the Paracale placer deposit. 



Plate LXII 42 



Globigerina, a possible source of oil in Tayabas. 



