138 OIL AND GAS; OHIO, WEST VIRGINIA, PENNSYLVANIA. 
» 
Log of Parkinson well (No. 661) — Continued. 
Limestone and slate. 
Slate . 
Sand. . 
Shale.. 
Sand and limestone. 
Shale. 
Sand. 
Coal. 
Slate. 
Sand. 
Slate .. . 
Sand (trace of coal)... 
Slate . 
Sand. 
Slate. 
Sand. 
Shale (trace of coal at bottom). 
Sand.'. 
Shale. 
Sand. 
Slate.... 
Limestone, Big lime... 
Sand, Keener. 
Slate.. 
Sand, white, Big Injun. 
■ Slate . 
Sand (layers of slate). 
Shale. 
Sand. 
Shale. 
Sand (trace of limestone). 
Shale. 
Sand, Bitter Rock. 
Shale. 
Sand, Berea, hard, trace of limestone 
Shale. 
Shale, red. 
Sand, Hundred-foot 
Shale. 
Sand, Gordon. 
*- 
Top. 
Bottom. 
Feet. 
215 
285 
815 
430 
645 
665 
715 
730 
735 
827 
840 
850 
860 
960 
970 
990 
1,005 
1,131 
1,155 
1,218 
1,250 
1,260 
1,302 
1,312 
1,329 
1,435 
1,441 
1,468 
1,495 
1,502 
1,555 
1,580 
1,740 
1,750 
1,835 
1,848 
1,910 
1,973 
2, 015 
2,198 
Feet. 
285 
315 
430 
645 
665 
715 
730 
735 
827 
840 
850 
860 
960 
970 
990 
1,005 
1,131 
1,155 
1,218 
1,250 
1,260 
1,302 
1,312 
1,329 
1,435 
1,441 
1,468 
1,495 
1,502 
1,555 
1,580 
1,740 
1,750 
1,835 
1,848 
1,910 
1,973 
2,015 
2,198 
2,205 
The distance between the Hundred-foot sand and the Pittsburg coal 
at this point is therefore 1,973 feet less 215 feet, or 1,758 feet. 
Well No. 633 .—This well is on the farm of Mrs. John Cowden. 
The elevation of its mouth is 1,172 feet. The position of the Pitts¬ 
burg coal as given by the well record is accepted. 
Log of Mrs. John Cowden well (Vo. 633). 
Top. 
Bottom. 
CYinl Pitt,shnrp r . 
Feet. 
136 
1,000 
1,030 
1,055 
1,967 
2,160 
2,230 
2,270 
Feet. 
VVntpr (sain _ . .. 
Sand Salt .. 
Sand Fif tv-font . 
Gas in Gordon Stray sand. 
Oil in Gordon sand . . . 
Sand Fourth drv... 
Total depth . . 
2,401 
The distance between the Hundred-foot sand and the Pittsburg coal 
at this point is therefore 1,967 feet less 161 feet, or 1,808 feet. 
