36 GEOLOGY OF OHIO. 
Feet 
15. "To GRAY IMB es rectiet se edoes ce ts tse cleceeiontite asticese ceetcae deminer smotran seeee - 190.20 
16. To gray slate: 21. ..22. 5 cueulentso au conanueatncaeaeeen sees tema cate LOR: 191.60 
lV/eochipblackeslatepcncecdssdcnieces tists dadepeeld Ad te scieh eo aaee ec ea 195.60 
18.. To gray slate; idark....1.05 Avcvdecestecdscsocsescccncenocnsosvacesesta een eeneee 200.00 
19;. To gray slateyvery darkest sccoscacnucresoenou cena cece see serenoeerteeee 214.00 
20: To wourts (CoaLcsSPACni(?/4)iicccsnsns ccosccdecsaceesdseneosconese ee saeets 222.30 
QI Po fire=clayetis cacceescsscsseerooeee et teecre eee suaudeveucstecsescomuhasetesee 222.10 
QA1 WOMTAV SLATS. cis. k vaclveacseserntededccereliseccesentuecsesmemmoneercoddemoetccs 227.60 
25; 2 Mo fire-clay TOCKnso...t-scececs secsenssecesess eioniciorse’s seis d.oecepasaasneneeens 247.60 
24... To pray slate; <Gank: sciveiteeccs esoeceuciecevettoes scisommeccene cana semat eeoetes 248.00 
25. Lo Pirie! Coan SPACE (UGUi/a)ynmenccceccqacseccconmerccenerencacoe uence anes 253.10 
26: Mo fire-Clayiccc-ceocccsseccccccn decors corslescsouswraccsnecedcenucesctncettecesesees 255.50 
275" Do dark Yplate: OIG AVA hs see scaetore coche oacut ens toes meee ere eaatenaee ees 257.50 
28;. To. conglomerate ys: iccatikass secdgtencanteadceveseeeecaesamteleraenese ce emteae 259.20 
29... To DOttOmn eiseasstgenes vows sesseeue pectecetananaeenne Mee dace eeteetaneeee anaes 259.80 
Reducing this section to the proposed basis, by counting downward 
from the Kittanning coal, we find the following order shown: 
At 47 feet below the Leetonia coal, a coal seam 3/ thick occurs ; at 
75 feet, another seam 3/ 4” thick; at 90 feet, a Gray Limestone; at 122 
feet a fourth coal is found, 7” thick, and a fifth seam, 19’ in thickness, 
at 154 feet below the Leetonia seam. A biue limestone, 16” thick, is 
reported in one of the drillings, ‘a little above the level of the fifth coal. 
The gray limestone, which is found at 90 feet below the Kittan- 
‘ning coal, is a very interesting, and by no means an unknown element. 
It appears in 3 out of the 6 holes that were drilled at Leetonia, at dis- 
tances of 85’, 90’ and 91’ below the Leetonia coal, or of 62’, 64’ and 69/ 
above the Lower Mercer coal. Holding the exact position of a well- 
known and conspicuous element in the northern counties of the coal 
field, there seems little reason to doubt that in the “ gray limestone” of 
the drill record, the long buried Putnam Hill limestone, has again been 
brought to view. A thickness of 16 inches is reported in one of the 
records. 
The coal seam that is found 47 feet below the Leetonia coal, ap- 
pears in every record, with a thickness ranging from 3’ to 3’ 3”, except 
in one hole, where but 6” is reported. The distance of this seam below 
the Leetonia coal, in the several holes, is as follows: 36’, 43’, 47’, 47’, 
AT’, 55’. 
The coal seam shown in No. 13 of the section, occurs in five out of 
the six holes reported. Its thickness ranges as follows: 1’ 2’, 2’ 10”, 
3’ 3’, 3/ 4’. Its distance below the Leetonia coal is shown in the fol- 
