CHAPTER Til. 
WEED EOGS ITSET) IX MAKING TIIE STEITRENVILLE CON¬ 
VERGENCE SHEET. 
WELLS IN THE STEUBENVILLE QUADRANGLE. 
1 he convergence sheet of the Steubenville quadrangle was con¬ 
structed from the records of 36 wells within the quadrangle and 7 
wells near its edge in adjoining quadrangles. The wells selected in 
the quadrangle are shown by the numbers on the convergence sheet 
(PL V, pocket). 
AY ell No. 10 .—This well is No. 1 on the farm of W. H. McCul¬ 
lough. The Berea sand was found at a depth of 1,348 feet. The 
elevation of the well mouth is 1,126 feet. The Pittsburg coal near 
the well is at an elevation of 1,155 feet, or 29 feet above the mouth 
of the well. The Berea sand is therefore 1,377 feet below the 
Pittsburg coal. 
Lou of' TV. H. McCullough well No. 1 (No. 10). 
Top. 
Bottom. 
Feet. 
400 
520 
960 
1,348 
Feet. 
407 
555 
1,158 
1,395 
Sand Cow Run . . 
Sand Big Injun . . 
Sand Berea .. ... 
Well No. 16 .—This well is No. 2 on the farm of J. F. McLean. 
The Berea sand was found at a depth of 1,473 feet. The elevation of 
the well mouth is 1,250 feet. The well passed through the Pitts¬ 
burg coal at 150 feet. The Berea sand is therefore 1,323 feet below 
the Pittsburg coal. 
Log of J. F. McLean well No. 2 (No. 16). 
Top. 
Bottom. 
Cnal PittQhlirP r . 
Feet. 
145 
650 
960 
1,473 
1,480 
1,508 
Feet. 
150 
1,155 
1,516 
99 
