956 INDEX TO ILLUSTBATIONS. 



PAGE 



Section of rooks of RicUand county 316 



Face of broken rock, Plymoutli 318 



Section in Washington townstiip 320 



Section of Drift, Owl Creek Valley 327 



Section from Mt. Vernon to Martinsburgli 330 



Plat of Horse-slioe Curve 331 



Section of Drift, Knox county 332 



Section of rocks of Knox county 335 



Map of Kokosing oil district 342 



Section of rocks of Licking county '- 353 



Section of cannel coal 356 



Section of conglomerate 358 



Section of rocks of Ashland county 523 



Section of rooks of Wayne county 531 



Section at Marshallville 537 



Section of rocks of Holmes county 543 



Section at Nashville 544 



Section in Monroe township 546 



Section in Knox township 547 



Section in Salt Creek township ,. 553 



Section in Clark township 572 



Section in Jefferson township 577 



Section at East Union 581 



Section at Coshocton 587 



Section of rocks of Coshocton county 595 



Section at Corbin's Mills 604 



Section at Marble Cliff 608 



Section at State Quarries 613 



Section at Black Lick 641 



Section at Shawnee 653 



Section at Moxahala 665 



Section on Sunday Creek 679 



Section of coal at Straitsville 698 



Section of coal, Salt Lick township 698 



Section of coal, Monroe township 698 



Section at Nelsonville 705 



Sections showing identity of Baird ore and Limestone ore 923 



Section opposite Nelsonville 926 



Sections at Irouton 928 



Sections near Hamden Junction 933 



