826 GEOLOGY OF OHIO. 
with flinty limestone over it, and 8 inches of flint rock beneath it, as 
reported ; the coal was fragile, streaked, full of sulphur, and melted 
down in burning. 
In northern Salt Creek this seam is mined by John Amsbaugh, 
and has been opened by many others. Its structure is shownin Fig. X. 
/ FIGURE K 
UPPER MERCER COAL,(NO.3f.)JOHN AMSBAUGH, 
SALT CREEK TP. 
Upper Nereer Limestone (Bkae )-— ae Aor 
oe Sey 
ne A meee 
Be 
Tong Cac oe, eel g --+ ~~ 2” 
Niner av. Cr ACY AN Eid fh ea aN oie oy maka Ge RE 
@. Vv) Cee mene LS epee aN aE inp tani aed aera AC Hata 
Vive Oona peed rebum es Mey Ay 
Scare Derr to (in: 
The thickness runs from 3 to 3g feet. The coal is soft, and requires 
careful mining to separate the dirt and pyrite. Below is an analysis: 
Upper Mercer Coal, John Amsbaugh, Salt Creek (Lord). 
Moisture ..... FORE RE ee PE PRC LER AAA AEG sioetAOtT occ atcb ov EnoBbGoaecon 3.80 
Volatile combustible matter... .csa5cc docasccrcee certo ene eee ence 43.45 
FEX CG CALDON dieses Eee eee ee ee eee ae are R RE NE Scena ee 42.80 
ABT aoe cc hone date hk ensae en se Baas ae ee Te oe ee nae NETS eR ne TR RES 9.95 
Lc £2 Paar rs SN See CARE RIE oe oe MPL AP dn ARES UN Rid Ra oodane 100.00 
Sulphur sce. s cccesesescssessvsecendcodsesctasesseausiesssesensccsete cece eteestccattncsents 4,95 
At Leonard Matthews’, 1 mile east of the above, this seam consists 
of 2 feet of cannel and “bony ” coal, above, and two feet of bituminous 
coal below. An impure, clayey limestone, at least 2 feet thick, under- 
lies the fire-clay at this point. 
