994 GEOLOGY OF OHIO. 
CoaL SEAMS OF VINTON AND JACKSON COUNTIES. 
The following-named coal seams furnish the present supply of Vin- 
ton and Jackson counties: 
11. Upper Freeport coal, No. 7, of Newberry. 
10. Lower Freeport coal, No. 6a, of Newberry. 
Middle Kittanning coal, No. 6, of Newberry. 
Lower Kittanning coal, No. 5, of Newberry. 
Upper Clarion or Scrub Grass coal (not numbered by Newberry, No. 4a, or 
No. 40). 
Brookville coal, No. 4, of Newberry. 
Tionesta coal (not numbered by Newberry, No. 3b). 
Upper Mercer coal, No. 3a, of Newberry. 
Lower Mercer coal, No. 3, of Newberry. 
Quakertown or Wellston coal, No. 2, of Newberry. 
Sharon or Jackson shaft coal, No. 1, of Newberry. 
Su g9 SS 
Fo of Se ge 
The two lowermost, which are by far the most important seams of 
the field, being omitted here, there remain 9 additional coal seams that 
are found and worked within the counties now to be considered. But 
four of this number are mined for the general market, viz., the 5th, 6th, 
7th and 9th of the list. The remainder are of but very small present 
value as sources of fuel. The 6th or Brookville seam is a valuable 
deposit in Hocking and Vinton counties.. It is mined for market in 
Ohio only in Vinton and Stark counties. The 9th of the list is the 
constant and regular seam that under various names and with varying 
phases and many changes of fortune has been followed through every 
county that holds the horizon westward from the Pennsylvania line. 
Several attempts have been made to mine the 3rd seam of this list, 
but they have not proved entirely successful. The attempts are not yet 
wholly given over. The 7th seam is now brought into market in two 
or three instances, but it cannot be made to meet existing competition. 
In other words, the “limestone coal” of these counties cannot, at present, 
be largely sold in markets to which the Wellston coal finds equal access. 
The seam, however, supplies a considerable local demand, being the 
main reliance of many farming neighborhoods for fuel. 
The general order of this field has already been discussed in chap- 
ter I, page 117, etc., but a few additianal statements as to the different 
coal seams will be given here, while describing the separate mines of 
,he district. 
