INDEX. 701 



Page. 



Salt wells, Morrow county 270 



*' Washington county 486, 487 



Soil analyses 690 



Soil of Crawford county 249 



" Greene county 681 



" Islands of Lake Erie 199 



" Pike county 636 



Springfield limestone 671 



Sulphur springs ■ 306 



Surface Geology of Ohio letseg. 



" " Second District 441 



" " Pickaway county 588 



Terraces, Gravel 50 



Union county, Geology of 324 



Van Wert county, Geology of 314 



Washington county. Geology of 543 



Water-supply 640 > 690 



Waterlime Group 193, 230, 301, 329, 375, 615 



Waverly black siate 624 



brown stone 626 



" Analysisof 627 



conglomerate .' 



Group 84,99,313,618 



■ a 621, 648 



quarries ' 



quarry-stone, Analysisof 622 > 633 



\ , 619, 648 



Wells and springs".'.' ^ 248, 267, 306, 321, 332, 346, 394, 435 



Wood county, Geology of 



677 



Yellow Springs quarries , 



