952 INDEX. 



PAGE 



Mahoning county sandstone 71 



Marl, Belmont county 287 



Mastodon remains, Cosliooton county 593 



Maxville limestone 24, 817, 890 



McFarland, E. M., determination of dip 940 



Medina county 362 



group 4 



Miami county 463 



Muskingum county > 237 



Nelsonville region 693, 926 



Newcastle Coal 922,929 



Newberry, J. S., reports of 1,52,90,133,151,716,781 



Niagara Group 7,408,443,465,477 



fossils of 416-515 



Niagara Limestone , 386 



NorrisCoal 617,851 



Oil wells, Columbiana county 118 



Kcox county 348 



Orton, Edward, reports of 381, 392, 404, 420, 596, 883 



Paleontology of Corniferous Limestone •. 618 



Peat, Darke county 499 



Shelby county 454 



Petroleum, Knox county 340 



origin of 16 



Preble county 404 



Read, M. C, reports ol 289, 310, 325, 348, 519, 529, 540, 562, 647 



Kichland county 310 



economic geology of 323 



Salina Group 8 



Salineville 97 



Salt, Sunday Creek Valley 713 



Tuscarawas county 84 



Salt wells, Columbiana county 116 



Shawnee Limestone 895, 935 



Shelby county 448 



elevations of 445 



Sheridan Coal 930 



Soil, Butler county 401 



Champaign county 492 



Darke county 509 



Holmes county.. 540 



Logan county 548 



Madison county 423 



Richland county 311 



Shelby county 457 



