vtft> AN INTRODUCTION TO 



\j t *T. PAL. 



HISTORICAL GEOLOGY 



WITH SPECIAL EEFERENCE TO 



NORTH AMERICA 



BY 



WILLIAM J. MILLER 



PROFESSOR OF GEOLOGY, SMITH COLLEGE 



238 ILLUSTRATIONS 



SECOND PRINTING 



NEW YORK 

 D. VAN NOSTRAND COMPANY 



Eight Warren Street 

 1920 



