148 
OIL AND GAS; OHIO, WEST VIRGINIA, PENNSYLVANIA. 
Well No. 776 .—This well is No. 1 on the W. C. Campbell farm. Its 
mouth is at an elevation of 1,280 feet above sea level. The record of 
the well does not show the position of the Pittsburg coal, but from the 
contoured map of the surface structure, the coal is probably at an 
elevation of 1.027 feet, or 253 feet below the mouth of the well. In 
this well the Gordon sand lies at a depth of 2,383 feet and has a 
thickness of 15 feet. The distance between the Hundred-foot sand 
and the Pittsburg coal at this point is therefore 2,383 feet, less 210 
feet for the interval between the Gordon and Hundred-foot sands, less 
253 feet for the depth of the Pittsburg coal below the surface, or 
1,920 feet. 
