120 GEOLOGY OF OHIO. 
The Valley of North Fork. —In the region about Achor nearly all the coal 
seams which have been referred to in the preceding notes are exposed 
and worked. They here attain good thicknes:, and are generally of ex- 
cellent quality. 
At the mine of Isaac Dyke, on Camp Run, Coal No. 6 has been worked 
for some years. It is here from three feet nine inches to four fe+t six 
inches in thickness, and very good. Beneath it is a stratum of fire clay, 
which rests upon the White or Freeport limestone. About twenty-five 
feet below No. 6 is Coal No. 5, here about two feet in thickness, and not 
worked. Ata lower interval in the bed of Camp Run Mr. Dyke reports 
a heavy bed of coarse cannel. 
Cozl No. 6 is also worked about Achor by William and John Burt, 
George Burson, and Mr. Boerum, all in section bd of Middleton township. 
On section 5 it is worked by Hiram Burt, Madison Wherry, and the heirs 
of W. J. Billingsly; on section 1, by Mark Burt; section 12, by Isaac 
Booth; section 11, by Jane Nevin; section 22, by Isaac Dyke, Hli Guy, 
Ephraim Latta, and Thomas George; section 14, by John Young; séction 
13, by Jeremiah Booth. 
Coal No. 7 is not worked in the immediate vicinity of Achor, but it is 
visible in the tops of many of the hills, and has been opened on the land 
of J. W. Billing-Jy in section 10. 
In several places about Achvr a heavy bed of cinnel comes in below 
Coal No. 6. This is well exposed on the lands of P. T. Brown, on what 
is called Bald Knob, in section 11; also on the lands of J. W. Billingsly, 
leased by Mr. Brown, in section 10, and on the farm of W. Eddings, in 
section 36 of Middleton township. 
The cannel coal of Bald Knob has been carefully examined by Professor. 
B. Silliman, jr., who has published a detailed report uponit. Igive below 
three analyses of this coal made by Professor Silliman. From these it 
will be seen that it is of about the character and value of the Darlingten 
cannel, now so extensively mined and shipped to the eastern markets. 
. ANALYSES OF ACIOR CANNEL. 
No. 1, bottom; No. 2, middle; No. 3, top. 
INGsdls ISOs Be) INO. 8 
Pixed carbone? ee Gesu e es PRCA a ACR a An ene RN tye Fe ee Ne OR 35.43 41.69 39.90 
Molatilercombustiblenmatteraneteee eee reer eters 28.82 30.24 30.01 
MGISHIe Hes eye SHELA MO Nats aa VM ioe MRA Rs eee RS 75 20 sf 
BDA PA i ct oi 280 EE aN OA LIN Per OA ARN 35.00 27.29 29.35 
An analysis of another specimen from the same locality will be found 
in the table at the end of this chapter. ? 
The relative position of this cannel coal will be seen at a glance by the 
following section taken on the land of J. W. Billingsly: » 
