




if = aaa at od aoe adie 
ie (158 (Be N. eae ae ee 
sections which I have examined. x cannot doubt Hee the 
Tertiary beds are a part of the series so extensively develop 
Milk River and in the region of the Buttes. The Cypress Hills, ai 
plateau of Wood Mountain, and other Tertiary plateaus near the I 
3 characterized by comparative fertility, and supports a good growth « 
grass, while surrounded by barren plains of Cretaceous No. 4. Cay 
Palliser writes :—‘“ In the midst of the arid plains traversed by the S 
Saskatchewan, there are isolated patches of table-land, upon the surf: 
of which the vegetation becomes luxurient, and pasture of fair qual 
may be found.” * The Hand Hills are mentioned as an example of t 
peculiar feature, which so strongly suggests the repetition of the su 
position of Tertiary rocks like those of Wood Mountain, on the Gratareee 
The rocks of the Hand Hills, above referred to, are classed by Dr. Haat or 
% in his group D., and consist of sandstones and banded clays, which mu ch 
resemble in thet lithological character those of the Lignite Tertiary. — 
Though it may be hazardous to generalize in so vast a country, where our 
a knowledge is as yet so scanty, I cannot help believing that some part— 
Ba perhaps a great part—of the third prairie plateau, marked in Dr. wae 
map as Lower Cretaceous, may yet be found to be the equivalent of the 
marine and estuarine base of the Tertiary. es a i 




























* Exploration of British North America, p. 11. 
7 
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ii hh Sees 
