Outlines of Geologic History with 

 Especial Reference to NorthAmerica 



Symposium Organized by 



BAILEY WILLIS 



Compilation Edited by 



ROLLIN D. SALISBURY 



GEOLOGISTS and all readers of geologic 

 literature will welcome the publication, 

 in book form, of an important series of 

 essays and discussions on the subject of geologic 

 correlation under the title. Outlines of Geologic 

 History with Especial Reference to North America. 

 They embody the present state of knowledge 

 and opinion concerning many of the funda- 

 mental problems of North American geology, 

 and form an admirable supplement to earlier 

 treatises and manuals. 



The value of the book is greatly enhanced 

 by the fifteen paleogeographic maps by Bailey 

 Willis which accompany the papers. 



316 pages, 8vo, cloth; price $i.SO, postage extra 

 (weight 2 lbs.) 



The University of Chicago Press 



Chicago ... Illinois 



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