U.S. GEOLOGICAL SURVEY 
8 0"'.5 ' 
W.W 
qutadramjle 
SULir/HN NO. 318 PL V 
v 80*30' 
_rJ3h~* -7-7-7-1 iVCr 30' 
40*15' 
80 4-5 NOTE: The object of this drawing is to show graphically the amount of 
variation in the distance between the surface beds and the oil sands 
The smaller numbers, ranging from 10 to 514. indicate wells represented 
on PI. VI to which reference has been made in the text. The larger 
numbers show the measured distance in feet at these wells between 
the base of the Pittsburg coal and the top of the Berea oil sand. The 
straight lines radiating from these wells are lines on which the variations 
between wells are indicated. The sinuous lines are supposed to pass 
through points of equal distance between these beds. Wells to which 
no lines have been drawn are ones that could have been used to great 
advantage, had their records been preserved. To find the approximate 
distance to the Berea oil sand from any outcrop of the Pittsburg coal, 
first locate the outcrop on PI. VI. then place this sheet over PI. VI and 
note the distance at the ‘ocated point, as indicated by the sinuous lines 
on this sheet. 
OXVEHGKXCE SHEET OF STEUBENVILLE n UAJ VKANGI.E, OHIO W.VA.PA. 
showing distances from base of Pittsburg boa to top of Berea. oil sand 
• Oil -well ■$- Diy hole • las w» i] ♦ Show-i*t oil 
80" jo’ 
Geology by W T. Griswold, 
under the direction of 
M R Campbell 
illll 
1654 Distance from base of’ Httsbiir^ coal tr t ► j» oi Berea oaf aand 
490 Well numbers 
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