INDEX. 



Page. 

 Allen county, Geology of 397 



Auglaize county, Geology of __ 404 



Barnesville coal seam 545 



Barren Coal Measures 155 



Bedford shale .' 90,188, 212 



Bellair coal seam 560 



Belmont county, Geology of 543 



Berea grit 88, 211, 216, 240, 259 



Berea grit as building stone 216 



Bowlder clay 6 



Bowlders in coal 174 



Bowlders in drift * 38 



Buried channels 12 



Buena Vista building stone 626 



Calcareous layer in Huron shale 646 



" " Waverly shale 620 



" travertine 185, 678 



Cambridge coal seam 517, 520,530, 532 



Cannel coal, origin of 125 



Carboniferous conglomerate 103 



" limestone 99 



" System 81 



Castalia Springs 185 



Cedarville limestone 673 



Cement — Auglaize county 438 



Parker's 548 



Cements, Analyses of — 



Bellair , •. 563 



Belmont county 561 > 565 



Monroe county 5 °° 



Parker's 549 



Cincinnati Group • 663 



82 

 Circles of deposition 



Clays of Pike county, Analysis of 628 



Cleveland shale 88, 92, 213, 242, 263, 282 



Fossils of • 94 



