17 



i^iometres bituminous in grade and is of a better quality 

 than that of RedcHff. It is used locally for 

 domestic purposes. 



Between Chin and Coaldale the railway 

 crosses irrigation ditches, which carry water 

 from one of the branches of the St. Mary river 

 to the south. 

 io8-4m. Lethbridge — Altitude 2,982 ft. (909m.). The 

 174-4 km. top of the Belly River series is crossed before 

 reaching Lethbridge and is succeeded by the 

 Pierre shales, sections of which show in the 

 valley of Belly river. Near the water's edge 

 just above the bridge, a coal seam outcrops 

 which is considered to occupy a position at the 

 top of the Belly River series. The valley of the 

 Belly is spanned by a high bridge and from it 

 an excellent view may be had, showing the 

 present stream meandering with gentle current 

 and occasionally swinging into the valley walls 

 and undercutting the softer rocks. 



The Lethbridge coal seam is mined in the vici- 

 nity of the city. It has a slight dip to the 

 northwest and an average thickness of 4I feet 

 (i-3 m.). 



Four companies are operating at present, 

 namely: the Alberta Railway and Irrigation 

 Company through a shaft 300 feet (91 m.) deep; 

 the Lethbridge Collieries with a shaft 573 feet 

 (174 m.) deep; the Diamond Coal Company 

 by a shaft and a drift tunnel from the river 

 valley; and the Chinook Coal Company 

 through a shaft 425 feet (129 m.) deep. The 

 annual aggregate output amounts to about 400,- 

 000 tons. 

 140-1 m. Macleod— Altitude 3,128 ft. (953 m.). This 

 244 km. town owes its existence to having been originally 

 an outpost of the Royal Northwest Mounted 

 Police. 



Brocket — The centre of the synclinal fold 

 in the rocks of the St. Mary River series is 

 crossed about a mile west of Brocket. At Mile 

 Post 173 between Pincher and Cowley, the 

 western limb of the syncline is crosssed. 

 36425—2 



