GEOLOGICAL SURVEY OF MICHIGAN. 



LOWER PENINSULA 



1873-1876 



ACCOMPAI^IED BY A 



GEOLOGICAL MAP. 



VOL. III. 



PART I. Geology. 

 PART 11. Paleontology — Corals. 



BY 



C. ROMINGER 



STATE GEOLOGIST. 



PUBLISHED BY AUTHORITY OF THE LEGISLATURE 

 OF MICHIGAN 



UNDER THE DIRECTION OF THE 



BOARD OF GEOLOGICAL SURVEY. 



NEW YORK 



JULIUS B I E N 



1876 



