' 
V* 
1105 
KuVivv il 
ita» 
%> ' / •ip 36 
a,i4o. 
x*Mw/r 
THw 
11971313 
1207 
1171 , 
11781 
•uoct 
r:t) 
T I N 
Ln zonryilJ'fK' • /■ 
25 
. V 
80 30' 
40“ 30' 
LEGEND 
lO.H.RensE 
r ’g e 
SURVEYED IN 1902 IN COOPERATION WITH THE STATES 
OF OHIO. WEST VI RGl N I A, A N D PENNSYLVANIA 
40 ( JWis'4*lijuj) 35 
MAP OF STEUBENVILLE QUAD KAN G LE. OHIO W.VA. PA., SHOWING 
KEY HORIZON (BASE OF PITTSBURG COAL) AND LOCATION OF BENCH MARKS 
Scale A 2&00 
40* 15' 
80*30], 
Geology by W.T.GnswoId, O* 
under the direction of ci. 
M.R.Campbel I 
Note HVi//y symbols art 
uiulerscored the eleva 
tinns art measured di 
reetly on the Pi tie bury 
coal All others are corn 
putsd. /frown other beds 
*%, U S. GEOLOGICAL SURVEY 
80’ 45' 
40*30' 
(\VeLLs'vLlL&) R I w 
Contours on base of 
Pittsburg coal.Datum 
i s mean sea.level 
1052 
Mines 
f Num be.rs show eleva¬ 
tion. of Pittsbura 
coal above sea level) 
|- 
X 1056 
Prospects 
(Numbers show eleva 
turn of Pittsbura 
coal above sea level) 
Number of bench 
mark corresponding 
to list in appendix 
M l=*-t=T—T 
o 
Surface contour interval 20 feel 
Datum is mean eea level 
1907 
5 kilometers 
