112 OIL AND GAS; OHIO, WEST VIRGINIA, PENNSYLVANIA. 
This log shows that the Pittsburg coal is 1,597 feet above the Hun¬ 
dred-foot shells, 1,697 feet above the hard sand, and 1,806 feet above 
the Hundred-foot sand. 
Well No. 822 .—This well is on the farm of Gr. Cunningham, situ¬ 
ated 1 mile south a little east of well No. 820. The elevation of the 
well mouth is 1,125 feet, and that of the Pittsburg coal is 1,005 feet, 
or 120 below the level of the mouth. 
Log of G. Cunningham well (No. 822). 
Top. 
Bottom. 
Feet. 
90 
Feet. 
Fnal Pittshnrp - _ .. 
119 
125 
Rpd rnp.k .. 
300 
330 
Sflnrl T.it tip Dn npG rrl .-. 
415 
425 
Coa1 Freenort . . 
477 
483 
Sand Rip - T)nnkaxd ... 
537 
636 
Sand Salt . . . 
920 
1,019 
Sand TCppnpr . 
1,070 
1,085 
Sand Rify Tninn . 
1,115 
1,600 
1,750 
1,830 
1,240 
finnrl Hitfpr Rnpkr (snmp phis! _ .... 
1,614 
Shplls 4Tnnd rpd-font; .... 
1,830 
1,900 
Rpd rock .. 
Sand TTnndrpd-fnnt .. 
1,954 
2,053 
2,125 
1,973 
Sand Thirtv-fnot ... 
Sand Onrdnn Sr.ra.y... 
2,135 
Sand Gordon. 
2,147 
2,209 
2,159 
Sand Fourth . 
2,217 
2,302 
Total depth . 
This log shows that the Pittsburg coal is 995 feet above the Big 
Injun sand, 1,480 feet above the Bitter Rock sand, 1,630 feet above the 
Hundred-foot shells, and 1,834 feet above the Hundred-foot sand. 
Well No. 823 .—This well is on the farm of James Martin, situated 
1 mile southwest of well No. 822. The elevation of the well mouth 
is 946 feet, or 42 feet below the base of the Pittsburg coal. 
Log of James Martin well (No. 823). 
Top. 
Bottom. 
Shale and limestone. 
Feet. 
16 
316 
370 
370 
495 
545 
630 
780 
860 
1,005 
1,450 
1,610 
1,700 
1,804 
. Feet. 
310 
Shale, black. 
Sand, Dunkard. 
435 
545 
630 
685 
825 
885 
1,375 
1,455 
Sand, Lower Dunkard. 
Shale and lime. 
Sand, Gas. 
Sand, Salt, much water. 
Sand, Salt, second... 
Sand, Big Injun. 
Sand, Bitter Rock. 
Sand, Stray. 
Red rock. 
Sand, Hundred-foot. 
1,809 
1,832 
Total depth. 
* 
The log of this well shows that the Pittsburg coal is 1,047 feet 
above the Big Injun, 1,492 feet above the Bitter Rock, 1,652 feet 
above the Stray sand, and 1,846 feet above the Hundred-foot sand. 
