COAL MINES OF LAWRENCE COUNTY. 1041 
nothing that is known of it warrants the expectation that it can at any 
time support important mines. 
On the south side of the river, the seam does not possess mucky 
value according to Professor Crandall’s reports. 
The Clarion Coal (Upper), No. 4a. 
This seam, which is so well-known and so highly esteemed iw 
Jackson and Vinton counties, under the name of the Limestone Coal,- 
enters Scioto and Lawrence c \unties from the northward in good volume’ 
and good condition, but it disappears abruptly from the series near the” 
middle of Decatur township. An east and west line drawn through’ 
Mt. Vernon Furnace will leave all the coal of this seam to the north 
ward. It disappears not only suddenly, but completely. At least but» 
few traces or hints of it are found south of the line named. In Ken- 
tucky, the horizon is passed without notice, so far as coal is concerned. 
The coal is found in portions of Washington and Decatur town- 
ships, of Lawrence county, and of Bloom and Vernon townships, of 
Scioto, and Greenfield township, Gallia county, under the conditions’ 
already deseribed for the northern counties. The volume of the seam’ 
is good, but it carries at least two partings, ‘one of them being a per- 
FLGVURR Chill 
STRUCTURE OF LIMESTONE COAL 
AT OLIVE FURNACE. 
ferrife TOUS Leroi... 
lack slate- es 
\ 
Parls Fe esi stent - 5 
SOF a 
66 G. 
