1900 - Coalmininghistorypa.org

No. 11. THIRD BITUMINOUS DISTRICT. 401
about 4 feet
inches thick. The ventilation is produced by an
8 foot furnace. I measured about KUHio cubic feel of air in circulation.
The drainage was good excepl at one point on 0110 of the
cullies.
Valley.—This is the old Mahoning mine reopened Dear the close
of the year, but I have not visited it yet.
Yalesboro Xos. 1 and 2.—These mines were examined by Inspector
Phillips, of the Fourth district, and the following is his report of
them:
Yatesboro No. 1.—This is a slope opening into the Upper Freeporl
coal seam and opened on the three entry system. The centre opening
will be used for a haulage way. while the entry on the left of
the slope will be the inlet and the one on the right will be used as
a manway. The coal will be mined in sections, and each section
will be ventilated separately. On my last visit a \'A\ ft. x 8 ft.
double inlet Capell fan was being installed, which will be used to
ventilate Xos. 1 and '2 mines when they are connected. Electric
motors are to be used on the main entries to convey coal to the
slope. 1 measured 21,600 cubic feet of air passing around the mine
in one current, but it was defective at the face of some of the entries;
the other conditions of the mine were very good.
Yatesboro No. 1'.—This ie a drift mine opened on the same coal
seam as No. 1 mine. The mine is opened on the double entry system
and is ventilated by a six foot Clark fan, which was producing a
volume of 28,800 cubic feet of air per minute, which was conveyed
around the workings in one continuous current. The condition of
this mine was fairly good as to ventilation and drainage. The coal
will be conveyed to the tipple by electric motors; it is being handled
bi the mine by the same power. The puncher type of mining machines
are used for mining the coal, both in this and No. 1 mine. A
branch of the Buffalo, Rochester and Pittsburg Railroad, five miles
long, has been built to the mines from the town of Echo. Armstrong
county.
New (Mines Situated in Butler County.
Kerr No. 8.—This is a drift opening which is connected with the
tipple by an inclined plane 660 feet long. The Upper Freeport coal
seam is being mined, which is about :*» feet 4 inches thick. An air
-
shaft has been sunk
,
and ;i temporary furnace constructed for the
purpose of producing ventilation. I measured aboul L3,500 cubic
feet of air in circulation. The mine was well drained.
Standard. —This is a drift mine opened on the Brookville coal
•*'>
seam, which is aboul feet thick. It is a small operation and was
found in very fair condition generally. The ventilation is pro