HOCKING VALLEY. 



705 



Section op Eock about Nelsonville. 

 Vertical scale, 1 inch to 52 feet. 



30 to CO 



40 to 50 



35 to 40 : 



45 to CO 



13 to 25 



2 to 5 



10 to 20 

 Ito 5 



3eto40 



5 to 10 

 1 to 4i 



20 to 36 



6 to 10 

 20 to 26 



4to 8 



15 to 35 



2to 3 



5 to 15 



40 to 56 



22 inch. 

 25 to 36 



oyooOQOOOO&OO 



^^^-^-=:-^:-^-^^-^ Ferruginous shale. 

 i """°-f^'i°=g g^ Iron ore and limestone fossils. 



t I. a « II ii » ii it 



I I I II — ^^ 



I I 1 1 L 



.1*1 



OO OOOODOOOOO 



■ ooooo ooo^ 



OOOOOOOOOftO 



pgQ OOO.OOO-OQ 



- I t ~f 



J 1 I I 



I I I I 



I I I- 



Ferrnginous nhale and sand-rock. 



Blacic limestone. 



Ferruginous shales. 

 Iron ore. 



Sandstone and shaio. 



Iron ore and coal (Inm Point ore.) 



Shale. 



Coal No. 7 (Bayley's Run.) 

 Shale. 



Limestone— ore above. * 



Shale and sand-rcick. 



Calcareoas ore. 



Shale. 



Coal No. 6a. 



Shales. 



Great Vein coal, with iron ore above and below. 



Shale. 



Coal No. 5; fire-clay in places; shale. 

 Iron ore ("Baird's ore.") 



Shales and sandstone. 



Iron ore — blue carbonate. 

 Shale. 



Heavy fire-clay. 

 Shale and saadstone. 



" Drift ore •' (Haydenville.) 



Coal. 



Shale and sandstone. 



■ Blue calcareous ore. 

 Sandstone and slate to bDttom of exposnre. 



45 



