1000 GEOLOGY OF OHIO. 
WLEURE CXXY 
STRUCTURE OF WINTER'S COAL ,MSARTHUR. 
Cake A Si uae enue 
SL at e RP arctan of : Lurnin ato Sims 
i <a dang Limestone Kidneys 
CTE -G ay, ho divag ime stone oN 
This structure is maintained fairly well through the quite extensive 
workings of the mine, which has been wrought for many years as the 
main reliance of the village of McArthur. 
It is the same seam that is worked in a small way on the farm of 
S. H. Trimmer, Section 32, Elk, the structure of which, as reported by 
David Trimmer, is shown below. The bank is not now open. 
FIGURE © AXKW 
STRUCTURE OF TRIMMERS COAL. 
Gaal) 28 Neri a 
Clon and Shale --_-.__| 
Coghici 253 ie Saale al 
This coal les 65 to 70 feet above the Lower, Mercer limestone, a 
somewhat shorter measure than is to be expected. 
To the same horizon is probably to be referred the coal on C. More- 
head’s farm, in Section 26, Swan township. Its structure is indicated 
in the figure appended. 
This coal appears well, and is well thought of in the neighborhood 
that it supplies. 7 
In addition to the mines already given, many others of equal rank 
might be named throughout the territory under consideration. There 
is but one shipping mine in this seam in the district, and indeed in 
