Ft. In. 



Sandstone, shaly 7 6 



9 

 9 



1 

 7 



Limestone, shaly, f ossiliferous 



Limestone, somewhat shaly, f ossiliferous 



Limestone, blue, f ossiliferous 



Limestone, blue, fossiliferous 



Shale, dark 4 



Coal, fair, Middle Mercer 1 1 



Clay, light, plastic 3 7 



Sandstone, shaly 4 



Shale 7 



Limestone, dark, fossiliferous ] f . . 2 



Ore \ Boggs j . . 2 



Limestone, dark blue, fossiliferous J [ 1 3 



Covered . 8 3 



Shale, gray 7 



Shale, dark 1 



Limestone, gray, fossiliferous, Poverty Run,. 4 



Coal, Vandusen ' 4 



The fossils from this locality are: 



Crinoid segments 



Derbya crassa (Meek and Hayden) 

 Chonetes choteauensis Mather 

 Productus cora d'Orbigny 

 Productus semireticulatus (Martin) 

 Spirifer opimus Hall 

 Composita subtilita (Hall) 

 Pseudorthoceras knoxense (McChesney) 



The member is also well exposed along Symmes Creek about 

 1 mile from its mouth, where it has a thickness of 6 inches, but no 

 collections of fossils were made. 



Coshocton County. The member outcrops near the head waters 

 of Opossum Run in the southwestern part of Washington Township, 

 and is composed of the following strata: 1 



Ft. in. 

 Ore, siliceous, sparingly fossiliferous, thickens to 8 inches 



in places 3 



Shale, gray. . v , 1 f 1 



Shale, dark, calcareous, fossiliferous \ Poverty Run \ . . 10 



Limestone, gray, very fossiliferous J ( . . 3 



Coal, bony, Vandusen 8 



Mahoning County. The only known outcrops of Lowellville 

 limestone, north of Coshocton County, are found in Mahoning. At 

 Lowellville fossils were collected from the limestone and the assoc- 

 iated dark shale, where they occur in great abundance and in an ex- 

 cellent state of preservation. The section given by Dr. Newberry 

 in 1878 from Grindstone Run, Lowellville, follows: 2 



iStout, W., Geol. Surv. Ohio, Fourth Ser., Bull. 21, p. 64, 1918. 



2Newberry, J. S., Geol. Surv. Ohio, Vol. Ill, opp. p. 804, 1878. The words in parentheses have 

 been supplied by the writer. 



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