8 
734. - GEOLOGY OF OHIO. 
HAMMONDSVILLE. 
The section here is essentially the same as wt Irondale, but the hills 
are not so high and do not catch the Crinoidal limestone. The “Strip 
Vein,” Coal No. 4, is the seam principally worked here. It is about two 
and one-half feet thick, very clear and bright, with only one fault—that 
it contains an unusual percentage of ash. It is comparatively free 
from sulphur; comes out in cubical blocks, and resembles the Pittsburgh 
coal in appearance. It yields an excellent coke, which is extensively 
manufactured here. The coal has also been largely used for gas. 
The mines and coke ovens at Hammondsville are owned by H. W. 
Wallace, Esq., and the Hammondsville Coal and Coke Company. 
For analysis of Hammondsville coal see tables at end. 
COLLINWOOD. 
The geological section of the hills at Collinwood is as follows: 
FT... IN. 
1. Vhalevandssandstonoracecse cee seven ties eereneta te eepeee eee 30 Sse 
Bae, (OGEIINOS Uobic6 65 So 6660.65 S900 ba doSq0N 5065 Seco Saco Co Sedo oS cHes =O THO 4 
3. Fire-clay limestone, shale, and sandstone ....-.-.....-....... 350 
45s CoaliNo, 64.4.0 poneee bade ae EE eunuch oe ae 
5x ehine-claygandylimestonere--eremers ere eee eee eee eee eee aaa 
Gy STAN) cuIKel REV NC IN) CoG 555 666560 5050 5505 5.0000 05015 6a dé Ac Go Se 50s 
Go, OORDINGs Dessisc Goons cosas paecod dh Go. so cboo es Coanob6e ceo obO80 2 6 
Sh SEure- Clay cjo- cerac cise ionis sisisieieeinaveclene icles o- eee een eee Avo 
Oe Vellowvarcillaceoustimestone maaan ene ee caer eee cece met) LOL ammne 
10° (Sandy and’ clay shales 2222 2 oo oso een on an cine aeniee aon) 8) OO) ee 
ATS, VCoali Noy 4s sce eee ON ete ay Uk Se ik Sra a een ea seine te 2 
1O3, INTE BEN? og. 650.000 05 60E6 0.00 00.09 60.0050505 bd005 Go CaGa co edo000 ey ae 
NB ESIOIMOI 55.66 6506 66 00.0556 66 50 696060.6006 65 GHbD G5 GoGo Gaco Ke OE 15iereh: 
14,7) COAN NOMS <8. Sceiveisen cee weeos tee Soe eee Seen et ane a aor enn CONE 
Lot Bire-Clay. suesscrss aris tere core iatererciata et raraey ere repeal eee niay seyerere set ODCOLO 
Here, as elsewhere in the valley of Yellow Creek, numerous bands of 
kidney ore traverse the shales. Mr. E. K. Collins has had a series of the 
ores on his property analyzed by. Prof. J. L. Cassells, with the results 
given below. None of these ores have as yet been mined, and it is im- 
possible to say whether any of them can be profitably worked. Those 
numbered 1 and 2 are from below Coal No. 4; those numbered 3 and 4 
are from between the “creek” and “‘strip” veins; the others above the 
“strip.” 
