﻿216 EVELAND. 



Their work has been different from the erosion of the southern portion 

 of the area and except for the drainage purpose they serve, they are 

 unimportant. This will be further discussed under physiography. 



On the western side of the Baguio-Kias Ridge, the Bued, or Moti River 

 is the channel through which drainage proceeds. The origin of the Bued 

 is not far from Baguio, on the plateau, and after collecting the waters 

 of the elevated regions, it cuts its way, between Mount Santo Tomas and 

 the Kias Ridge, south to the plains. Laterals tributaries are numerous, 

 and some of them, like the Balatok Creek at Kias and the large tributary 

 (the Quisat, in the native dialect) coming in east of the crest of Santo 

 Tomas, have in erosion almost kept pace with the main stream. The 

 Bued River canon is the most noteworthy in the district. Cut in a 

 gentle reversed curve from the edge of the Baguio Plateau to the 

 debouchement on the plain below at Caoriugan, and in depth over 

 2,000 feet to the bed of the stream, this gorge is opened up by the 

 Benguet road on its lower slopes, where formerly travel was well-nigh 

 impossible, the old Igorot trails being on the ridges on either side. 



Viewed from the standpoint of possible water supply, the region is 

 well watered, even in the dry season. Numerous large and pure streams, 

 enough to supply a population as numerous as will probably ever occur 

 on the Baguio Plateau, exist there. The district throughout is well 

 supplied with potable water, and, although by the arbitrary map bound- 

 aries, certain hot springs do not fall within its lines, it may be well to 

 mention them. 



MINERAL SPEINGS. 



Large sulphur springs which have been used for ages for medicinal 

 purposes by both natives and others in the country are found in the 

 lower part of the Bued River canon, a half mile or so below Balongabong 

 or Twin Peaks, on the west bank of the river. These springs have a 

 temperature of about 50° C. and are distinctly sulphurous. Other 

 smaller and similar springs may be noticed at various places along the 

 river above. 



On the Itogon River just outside of the eastern boundary of the map 

 of the district accompanying this paper, is a group of hot mineral springs 

 which have formed deposits of considerable extent. The water in these 

 has a temperature of about 8G° C. and in several of them distinct geyser 

 action, with an intermittent flow of some force, is noticeable. The 

 springs are saline and some of them contain sulphuretted hydrogen gas. 

 The most noteworthy constituents of the water, by analysis, are : carbonic 

 acid gas, sodium chloride, sodium and calcium sulphates, silica, calcium 

 and iron bicarbonates and nitrogen, a total of about 2.5 grams of salt 

 in solution in a liter. The spring is claimed to be very beneficial for 

 medicinal purposes and it could well be utilized by proper construction, 

 as it is less than 10 miles from Baguio. 



