The Pittsbiirsr Coal Bed — White. 
D/ 
Inches. 
"Roof 
Coal, several films of dirt 3^ 
Shale, black, earthv 2 
Coal .' 2f 
Shale, gray, streaks of coal near top . 1 1 
Bone (hard, dull, impure, coaly, layer) i 
Coal ♦. 2\ 
Shale, black o^ 
Coal I J 
Shale, black, coaly .'. i 
Coal 3 
Slate, gray, with irregular coal streaks 4| 
Coal, compact, free from "binders" . . q^ 
Slate, with coal streaks '. . . i| 
Coal 2^ 
1 
481" 
r7-g 
"Over"-clay (impure, fireclay, light gray above, getting 
browner and then a much darker gray with coal 
streaksof irregularshapes, especially towards base), i 
"Breast" coal (with ih inches of bone at top, and ^ 
next 10" harder than the rest of bench) 41^" | 
Shale, dark grayish brown, mottled of | 
"Bearing-in" coal, clear and brilliant 4 | 
Shale, dark grayish brown, mottled oj 
"Brick" coal clear and brilliant i r 
Shale, parting qi | 
( Coal with a»few thin dirt layers. 12-J | 
"Bottom" coal -j Shale o^ j 
f Coal, bright, clean 2 J 
Total thickness of bed lo ' 5 ' " 
The other section made by Mr. Gresley is from the "Pa- 
cific Mine," near Scott Haven, and three miles distant from 
the section just given. It is as follows: 
Inches. 
Coal .' iX ] 
r 
Shale, light 2}, 
Coal, with a few dirt partings 5 
Shale 0)4 
Coal 2 
'Roof " ■ ■ i Fireclay, light, bastard 14)4 
Coal, with a few dirt partings q 
Shale i^ 
Coal with thin dirt lenses 12" 
Shale oj 
Coal 13/ 
y 50" 
"Over"-clay 
"Breast" coal, 
( Fireclay, light, inferior, much darker 
-. toward base with meandering 
' streaks and veins of brilliant coal . 
-Upper 10 inches harder than 
the rest 42 ' 
Shale, mottled o^ 
"Bearing-in" coal 33^ 
Shale, mottled oi 
"Brick" coal 1 1 " j 
Shale, parting qi^ | 
"Bottom" coal i^ j 
Total thickness of bed 10 ' 1 1 ^^ ' 
70^^ 
