WELL LOGS USED FOR STEUBENVILLE CONVERGENCE SHEET. Ill 
II ell No. 817 .—This well is on the farm of David Cole, situated 
hall a mile south and a little east of well No. 816. The elevation of 
the mouth is 1,263 feet. The Pittsburg coal at this point is at an 
elevation of 1,002 feet, or 261 feet below the level of the mouth. 
Log of David Cole well (No. 817). 
- 
Top. 
Bottom. 
Sand, Salt. 
Feet. 
1,095 
1,600 
1,647 
2,077 
Feet, 
1,140 
1,645 
Sand, Bitter Rock . 
Water.. 
Sand, Hundred-foot. 
2,087 
2,113 
Total depth. 
This log shows that the Pittsburg coal is 1,339 feet above the Bitter 
Pock and 1,816 feet above the Hundred-foot sand. 
1 Veil No. 819 .—This well is No. 1 on the farm of Henry C. Cooper, 
situated 1 mile due south of well No. 811. The elevation of the 
mouth is 1,213 feet. The Pittsburg coal at this point is at an eleva¬ 
tion of 1,000 feet, or 213 feet below the level of the mouth. 
Log of Henry C. Cooper icell No. 1 (No. 819). 
Top. 
Bottom. 
flow 1 Pi t tshn rp- . ... 
Feet. 
240 
600 
640 
1,200 
1,542 
1,996 
Feet. 
Sanfi Dnnkflrd . 
San (4 Ritr Tninn l hrpa k ti t 1.300 foot ) _..... 
1,440 
1,573 
2,006 
2,044 
SflnH SmiflW _ .... 
fffmrl TTnniirprl-fnnt .. 
Tntn 1 rl pr»th . 
This log shows that the Pittsburg coal is 987 feet above the Big 
Injun sand, 1,329 feet above the Squaw sand, and 1,783 feet above the 
top of the Hundred-foot sand. 
Well No. 820 .—This well is on the farm of Mary and Elmas Cun¬ 
ningham, situated half a mile west of well No. 817. The elevation 
of the well mouth is 1,051 feet. The Pittsburg coal outcrops near 
the well at an elevation of 999 feet, or 52 feet below the level of the 
mouth. 
Log of Mary and Elmas Cunningham well (No. 820). 
Top. 
Bottom. 
Feet. 
50 
460 
880 
1,380 
1,650 
1,750 
1,855 
Feet. 
Sand, Salt (no gas; break of 20 feet at 1,170 feet) . 
1,440 
o&llfl, Ocil l, dll Cl VV .. . 
bneiJS, .. . 
1,865 
1,892 
band, .. 
