TAJBLE OF CONTENTS. 



PART I.— GEOLOaY. 



PAOK. 



Prktacb. By J. S. Newberry rii 



SECTION I.— GENERAL GEOLOGY. 



CHAPTEE LV. 

 Eetibw of GKOLOaiCAL Structure of Ohio. By J. S. Newberry 1-61 



SECTION IL— LOCAL GEOLOGY. 



CHAPTER LVl. 

 Geolost OF TuscAKAWAS Commr. By J. S. Newberry 52-89 



CHAPTEE LVII. 

 Geoloot of Columbiana Countt. By J. S. Newberry 90-132 



CHAPTER LVIII. 

 Geoloot OF PoRTASB County. By J. S. Newberry 133-150 



CHAPTER LIX. 

 Geology OF Stark CouNTT. By J. S. Newberry 151-176 



CHAPTER LX. 

 Geology of Carroll County. By Jno. J. Stevenson 177-199 



CHAPTER LXI. 

 0EOLO»Y OF Harrison County. By Jno. J. Stevenson 200-318 



CHAPTEE LXIl. 

 Geology of Guernsey County. By Jno. J. Stevenson 219-936 



CHAPTEE LXIII. 

 GBotooY OF Muskingum County. By Jno. J- Stevenson 237-800 



