VI TABLE OF CONTENTS. 



CHAPTER VII. 



GEOLOGY OF OGLE COUNTY. 

 By James Shaw Pages 104-123 



CHAPTER VIII. 



GEOLOGY OF LEE COUNTY. 

 By James Shaw Pages 124-139 



CHAPTER IX. 



GEOLOGY OF WHITESIDE COUNTY. 

 By James Shaw Pages 140-166 



CHAPTER X. 



GEOLOGY OF BUREAU COUNTY. 

 By James Shaw Pages 107-184 



CHAPTER XI. 



GEOLOGY OF HENRY COUNTY. 

 By James Shaw Pages 185-201 



CHAPTER XII. 



GEOLOGY OF MARSHALL AND PUTNAM COUNTIES. 

 By James Shaw Pages 202-216 



CHAPTER XIII. 



GEOLOGY OF ROCK ISLAND COUNTY. 

 By A. H. Worthen and James Shaw Pages 217-234 



CHAPTER XIV. 



GEOLOGY OF PEORIA COUNTY. 

 By A. H. Worthen , Pages 235-252 



CHAPTER XV. 



GEOLOGY OF McDONOUGH COUNTY. 

 By A. H. Worthen Pages 253-265 



