JEFFERSON COUNTY. 763 



'Harlem seam" of Carroll county. Its best development is at Salem, 

 where it is worked by Mr. J. S. A. Carter. It is only two feet in thick- 

 ness, but of good quality. The section at Carter's mine is as follows : ■ 



FT. IN. 



1. Shale 40 



2. Coal, thin. 



3. Shale 30 



4. Sandstone 2 



5. Crinoidal limestone 3 



6. Coal 6 



7. Shale 6 



8. Coal71> 2 



9. Fire-clay 5 



The dip is here one foot in one hundred toward the south-east. 

 At Wintersville the hill rises fifty to sixty feet above the Pittsburgh 

 coal, which is reached in a shaft. The section here is as follows : 



rr. 



1. Earth 10 



2. Shale 20 



3. Coal 1 



4. Olive shale 24 



5. Hard purple limestone 15 



& Coal No. 8, with its partings 7 



7. Fire-clay 1 



8, Limestone 2 



The detailed section of the coal seam is — 



1. Boof coal 1 foot. 



2. Shale 1 foot six inches. 



3. Coal — top bench, best 2 feet 1 inch. 



4. "Bearing-in seam" ----.--.-■---- .--- . 3 inches. 



5. "Brick coal" 1 foot. 



6. Bottom coal — poorest . 14 inches to 18 inches. 



Along the line of the Pittsburgh, Cincinnati & St. Louis Railroad the 

 Pittsburgh coal is found in the hills all the way from Unionport to Alex- 

 andria road. At Unionport it makes its first appearance on the east 

 side of the anticlinal, which passes northward through Harrison county. 

 The section here is briefly as follows : 



FT. 



1. Concealed 20 



2. Coal No. 8, reported to be 5 



3. Slope imperfectly exposed 220 



4. Crinoidal limestone 3 



5. Shale and sandstone to railroad 70 



