WELL LOGS USED FOR BURGETTSTOWN CONVERGENCE SHEET. 133 
The distance between the Hundred-foot sand and the Pittsburg 
coal at this point is therefore 1,836 feet plus 5 feet, or 1,841 feet. 
Other wells in close proximity give about the same result. 
Well No. HJf .—This well is on the farm of Samuel Witherspoon. 
Its mouth is at an elevation of 1,148 feet above the sea. No positive 
data were obtained on the Pittsburg coal close to the well, but the 
limestone below the Pittsburg coal was found at an elevation that 
would bring the coal 23 feet below the mouth of the well. 
• Log of Samuel Witherspoon veil (No. 11)). 
• 
Top. 
Bottom. 
firm rlnr* for . 
Feet. 
16 
610 
855 
1,030 
1,418 
1,780 
1,881 
Feet. 
1 Pit.tRhnr^ . 
1,340 
1,900 
2,039 
The distance between the Hundred-foot sand and the Pittsburg 
coal at this point is therefore 1,881 feet minus 23 feet, or 1,858 feet. 
Well No. 192 .—This well is on the farm of Thomas Cole, and its 
mouth is at an elevation of 1,088 feet. The Pittsburg coal outcrops 
northwest of the well at an elevation of 1,152 feet, which is equivalent 
to about 1,150 feet at the well, or 62 feet above the mouth. 
Log of Thomas Cole iccll (No. 192). 
Top. 
Bottom. 
Feet. 
540 
Feet. 
545 
635 
640 
1,798 
1,808 
The distance between the Hundred-foot sand and the Pittsburg 
coal at this point is therefore 1,798 feet plus 62 feet, or 1,860 feet. 
The elevations of wells Nos. 190 and 191, near No. 192, were obtained, 
but no records were procured. 
Well No. 180 .—This well is on the farm of James McNary. The 
elevation of its mouth is 1,042 feet. The Pittsburg coal at the well 
lies at an elevation of 1,062 feet, or 20 feet above the mouth. The 
Hundred-foot sand was struck at a depth of 1,862 feet, with a thick¬ 
ness of 21 feet; it contained oil at 1,865 feet. The distance between 
the Hundred-foot sand and the Pittsburg coal at this point is there¬ 
fore 1,862 feet plus 20 feet, or 1,882 feet. The James Osbourne well, 
