CONTENTS 



Pages 



Groundwork of Earth's Diastrophism. By T. C. Chamberlin - 197-210 



The Greater Earth. By T. C. Chamberlin 211-226 



Geology and Geography in the United States. By Edward B. 



Mathews and Homer P. Little 227-248 



Igneous Geology of Southeastern Idaho. By George Rogers 



Mansfield - 249-266 



Pre-Cambrian Rocks of Manitoba. By F. J. Alcock and E. L. 



Bruce 267-292 



Windrow Formation : An Upland Gravel Formation of the Driftless 

 and Adjacent Areas of the Upper Mississippi Valley. By 

 F. T Thwaites and W. H. Twenhofel 293-314 



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