700 



INDEX. 



Page. 



Lime, Manufacture of — 



Greene county 676 



Pike county 61<> 



Ross county 644 



Limestones, Analyses of — 



Dayton limestone 669 



Greenville limestone 675 



Hillsborough limestone 675 



Niagara shale 670 



Sidney limestone 675 



Springfield limestone 675 



Yellow Springs blue-rock 672 



Yellow Springs limestone 675 



Pawpaw Creek limestone 483 



Limestone, Maxville 100 



Limestones of Upper Coal Measures 163 



Loess 4,36, 38 



Lorain county, Geology of 206 



" " Economical Geology of 216 



Mammoth, Skull of .■ 471 



Mastodon, Skeleton of 248 



Maxville limestone, Fossils of 100 



Mercer county, Geology of 410 



Monroe county, Geology of 570 



Morrow county, Geology of...! 253 



Mounds, Ancient, Lorain county 223 



Niagara Group 667 



Niagara limestone, Analyses of .'. ... 675 



Niagara shale 669 



Olentangy shale 243, 287 



Oriskany sandstone 193, 301, 340, 376 



Ottawa county, Geology of 227 



Paulding county, Geology of 335 



" Iron furnaces of 350 



Peat in Lorain county 222 



Petroleum 219, 486, 494, 498, 504, 514, 528 



Pickaway county, Geology of 611 



Pittsburgh coal seam 158, 512 



Pomeroy coal seam 512 



Putnam county, Geology of 387 



Putnam Hill limestone , 141 



Ross county, Geology of 642 



Salina Group 194 



