30 



CHAPTER I. 

 Geology of Northwestern Illinois, JAMES SHAW 1-24 



CHAPTER II. 

 Geology of JoDaviess County, JAMES SHAW 25-56 



CHAPTER III. 

 Geology of Stephenson County, JAMES SHAW 57-74 



CHAPTER IV. 

 Geology of Carroll County, JAMES SHAW 75-81 



CHAPTER V. 

 Geology of Winnebago County, JAMES SHAW 82-94 



CHAPTER VI. 

 Geology of Boone County, JAMES SHAW 95-103 



CHAPTER VII. 

 Geology of Ogle County, JAMES SHAW 104-123 



CHAPTER VIII. 

 Geology of Lee County, JAMES SHAW 124-139 



CHAPTER IX. 

 Geology of Whiteside County, JAMES SHAW 140-166 



CHAPTER X. 

 Geology of Bureau County, JAMES SHAW 167-184 



CHAPTER XI. 

 Geology of Henry County, JAMES SHAW 185-201 



CAAPTER XII. 



Geology of Marshall and Putnam Counties, JAMES SHAW.. 202-216 



CHAPTER XIII. 



Geology of Rock Island County, A. H. WORTHEN and 

 JAMES SHAW... ...217-234 



