234 GEOLOGY OF OHIO. 
done in the lower coal, and the upper bench could thus be worked to 
the greatest advantage. It is fully 3 feet thick, and a great deal of 
coal is now mined successfully in the State that does not exceed this 
measure. For roads and for undermining, the bottom bench would 
serve a useful purpose, and, no doubt, some market could be found for 
the small coal made. | 
When worked as a whole, the seam yields 2 tons of lump coal to 
one of nut and one of slack, over a screen 7x5 feet, and with 14 inches 
between the bars. The coal mines easily. The royalty is 15 cents per 
ton of clean coal. 
The next shipping mine in the seam is the Evans mine, 23 miles 
north of Canton. The same general conditions prevail here. 
Five miles below Canton, on the line of the Valley Road, two new 
mines have recently been opened in the same seam. ‘They are known 
as the Fox Run and Evansdale mines, respectively. The latter has a 
very complete equipment for doing its work to advantage. The seam 
at this mine is 5 feet thick where measured, and the structure is as 
follows : 
Kite cn 
Ratnam ullMlimestonemeccsscmecteetece se eee omen seccecctes 4 
Coalsiupperibench snd: access. ade oseseeccees oe bac maeeeeeeenmene 2: 4 
Hire-clay, parting i-nccsnscss ostsseceeeeesnsceeccemeces 5 Seeebcweadiiees 4 
OLE, NON ENP LOXETAVE DY .54G00000 600060000’ 6600006000900 8000: 9000 Ssn000 6 000000006 | er: . 
Bone: coal Or slate: iracctgac.ocaceesoseacosseoeeee emer oe: eeeees 4 to 12 
FLGURE A20QCNUWA 
STRUCTURE OF LIMESTONE COAL 
AT EVANSDALE 
ute aera, CA Lue ey 
Cee atleast street | . | ean 
Fix e- all ON Ga ee os SS“ 2b 5° 
cts leona etic olenMnlidctedas 3) _16" 
Bone Coal ovr Slate ____ Atle 
NX 
Clay ; vo Ee an 
