rv CONTENTS. 
CHAPTER LXIVv. 
Gronocy or BELMONT County. By Jno. J. Stevenson......-.2.-...--0------- 261-287 
CHAPTER LXV. 
QGratocy or Huron County. By M. C. Read...... 2... 2 nce one eno eee 2E9-309 
CHAPTER LXVI. 
GEOLOGY oF Ricu~anp County. By M. C. Read ...... LOD ame ne bol aN QRanA 
CHAPTER LXVII. 
GEOLOGY or KNox County. By M. C. Read .... 2-220 ce cen ence cnes cone even S347 
CHAPTER LXVIIL 
GEOLOGY Oy LICKING County. By M. C. Read....2.. 2.0. nee eee eee we ee eee 348-36) 
CHAPTER LXIX. 
GEOLOGY OF MupIna Country. By Alfred W. Wheat....-.-...---2..;--.----- 362-380 
CHAPTER LXX. 
GROLOGY OF WaRREN Country. By Edward Orton.....-----ce--e---c-+eeeees 381-391 
CHAPTER UXXt,. 
GEOLOGY OF BUTLER County. By Edward Orton .......-..-.--0..----------- 392-403 
CHAPTER LXXTI. 
GEOLOGY OF PREBLE County. By Edward Orton ....00-00-----0+ ------+----- 404-419 
. CHAPTER LXXIil. 
GEOLOGY OF MADISON CouNTY. By Edward Orton.......---..-----.---.----- 420-428 
CHAPTER LXXIV. a 
GEOLOGY OF CLINTON AND Favetre Counties. By John Hussey ..--..----.-. 429-447 
CHAPTER LXXV. 
GEOLOGY O¥ SamLBy Counry. By John Hussey......0. .--- <0 -------+ += 448-467 
CHAPTER LXXVI. 
GEOLOGY or Mian County. By John Hussey ..onc. s0cccs oe cev-oe vern-o---0- 468-481 
CMAPTER LXXVIL : 
_ GxoLosy or Logan Country. By Franklin C. Hill .. .........---------------- 482-490 
CHAPTER LXXVIII. 
GroLocy or Campaign County. By Franklin C. Hill .......-.--.---------- 491-495 
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