Report of the Bureau of Mines of the Department of Internal Affairs of ...

No. 10. EIGHTH ANTHRACITE DISTRICT. 215
Oak Hill
Colliery.
At the bottom of the shaft or fifth lift, the south tunnel was
driven 515 feet, cuttinj*- the Black Heath vein, in good condition, nine
feet nine inches thick on south dip of forty-three degrees. It was
then continued, and has cut the White Ash vein, nine feet three
inches thick in good condition. The distance from the top slate of the
Black Heath to the bottom of the White Ash is 170 feet. An airhole
was driven in the Black Heath vein, 394 feet long, from the fifth
to the fourth lift. The north tunnel has been continued, and has
cut the Skidmore ^'ein, in good condition, five feet four inches tnick.
The tunnel from the Black Heath to the Skidmore vein is 120 feet
long.
On the third or old lift,
Marion Colliery.
a tunnel was driven from the Big Tracy
vein, 267 feet long, cutting the Little Diamond vein, in poor condition.
The tunnel was continued 150 feet, cutting the Little Diamond
vein again, on the north dip, in poor condition.
In the lower or fourth lift tunnel, the Big Tracy vein was cut 110
feet from the Little Tracy, and the tunnel continued 84 feet under the
Big Tracj' and then stopped.
A trial slojie was sunk 175 feet west of the Lewis vein slope to a
depth of 935 feet; vein in fair condition, dip about thirty degrees
south.
St.
Clair Colliery.
A new single track slope is being sunk from the surface in the Buck
Mountain vein, wliich commences near the mouth of the old Breen
drift. The vein has a dip of about forty-two degrees south. The slope is
being sunk eastward across the pitch on a grade of twenty-five degrees.
It is now about 200 feet below the water level gangway, which
is about 200 feet below the surface.
East Ridge Colliery.
In the slope, or third level, a tunnel has been driven south from the
Skidmore, 108 feet long, cutting the Buck Mountain vein. The tunnel
has since been continued to the leader or bottom timber of the Buck
Mountain, which is ()3 fe