COAL. 
105 
WAYNESBURG COAL. 
The Waynesburg bed is best developed in Greene County, but has a 
wide distribution. It can nearly always be recognized by the pres- 
ence of a coarse, flaggy sandstone, 20 to 60 feet thick, which generally 
outcrops directly above. Although locally missing, this sandstone 
accompanies the coal over wide areas. In some places they are sepa- 
rated by a few feet of a black shale, but in this quadrangle the shale is 
more commonly absent. 
INTERVALS. 
The stratigraphic position of the Waynesburg coal is at the top of 
the Monongahela formation, at distances varying from 290 to 350 
feet above the Pittsburg. This interval in a general way diminishes 
from Fayette toward western Washington County; but within the 
limits of the Amity quadrangle there seems to be no uniformity in varia- 
tion in any particular direction. The minimum interval known is 292 
feet in North Franklin Township, and the greatest is 355 feet in East 
Bethlehem Township ; but intervals of 340 to 350 feet occur in South 
Strabane, Somerset, West Pike Run, and West Bethlehem townships, 
and in Morris Township, Greene County. The following table in- 
cludes all available well records in the quadrangle in which the two 
coals are reported. The intervals are measured from the tops of the 
respective coals, and the thickness of the Monongahela formation can 
therefore be approximately determined in each instance by the addi- 
tion of 6 to 10 feet for the thickness of the Pittsburg coal. 
Distance between Pittsburg and Waynesburg coals in Amity quadrangle, as shown by drill 
records. 
No. on 
PI. I. 
Name of well. 
Location. 
Distance. 
Thickness 
of Waynes- 
burg coal. 
3 
Feet. 
337 
323 
333 
322 
330 
333 
330 
340 
356 
335 
337 
330 
355 
345 
314 
311 
292 
Feet. 
Moses Smith diamond drill 
do 
6 
14 
Mrs. A. L. Hawkins No. 2 . 
3 
15 
do 
3 
23 
N. T.Clark No. 1 
4 
32 
Mrs. A. L. Hawkins No. 3. . . 
do 
3 
34 
L. V. Martindalc No. 2 
do 
4 
44 
J. L. Thompson No. 1 
do 
2 
45 
J. L. Thompson No. 2 
do 
5 
46 
J. L. Thompson No. 3 
J. L. Thompson No. 4 
..do 
6 
47 
do 
4 
48 
J. L. Thompson No. 5 
do 
3 
54 
Blakely No. 1 
Bristor Bros. No. 3 
56 
Morris Township, Greene County. 
Morris Township, Washington 
County. 
do 
62 
Elmas Carey No. 1. . . 
5 
Meloy No. 1 
5 
J. C Mounts 
North Franklin Township 
