154 GEOLOGY OF OHIO. 
pure enough to make an excellent coke. Prof. Andrews regards the 
Ferriferous limestone, with its coal, as representing, in Jackson, Gallia 
and Lawrence counties, the horizon of the Nelsonville seam, and recog- 
nizes the “Alexander” and “Bayley’s Run” coal in the “Sheridan” coal, 
which lies seventy or eighty feet above. If this identification is correct, 
the “Newcastle” coal, which is the first seam above the Ferriferous lime- 
stone, and from twenty to thirty feet above it, holds about the position 
of the “Norris” coal of Perry county, and may be identical with it. 
SC) SI EA SK fe OS 
a 
S 
ANALYSES oF Coat No. 7. 
Joy and Burnett, New Palestine, Columbiana county. 
Salineville Strip vein, Salineville, 
66 
New Cumberland coal, Elliotsville, Jefferson county. 
Taylor’s coal, Holmes county. 
Jacob Buckstone’s coal, Mechanicstown, Carroll county. 
Cambridge coal, Guernsey county. 
E. D. Nyce, Center township, Guernsey county. 
Alexander coal, Perry township, Muskingum county. 
Bayley’s Run coal, Trimble township, Athens county. 
Sheridan coal. 
I, 2. oe 4. 5. 
Specific Cravilyjenceccersececsoeeee =: 1.3802 1.299 e323 1.269 1.288 
IMEOISTUT UES Fe eens GE Ak 1.40 1.70 0.90 7.30 2.80 
Volatile combustible .............. 36.80 34.30 31.10 34.90 30.20 
Ibecexel GAA OWT asscogG05 conde coadonode 56.80 59.50 60.70 54.40 64.10 
ANSTO Lp a ORT E, ccdonstelwte o 6 5.00 4.50 7.20 3.40 2.90 
100 100. 100. 100. 100. 
Sully btn reece i easlslscesiiiss secaiecisnas 2.00 1.62 5.49 2.14 1) OR 
6. Te 8 9. 10. 
SY ORIG CARADUN? dosocoden deo | oood0000 PSIG 1.281 1.252 1.341 1.288 
IMG@istiireyecseuee ee eee 3.00 3.30 6.15 4.75 5.35 
Volatile combustible.............. 34.15 32.30 30.97 34.90 33.00 
KE ATL CAM ONY oheascn Mee ceeeecooees 57.39 60.30 58.47 54.95 58.65 
ANGLO Sn SoC ea CEE RACER re priate 5.46 4.10 4.4] 5.40 3.00 
100. 100 100. 100. 100. 
SUM MUteessesntscacsosen siescseceeee 2.57 2.80 0.41 2.40 1.44 
