Reports of the Inspectors of Mines of the anthracite coal regions of ...

INSPECTORS OP MINES. 14f
slope. The M'ork done in No. 2 principally consists of robbing pillars in
tlie old workings, but in the tunnel not much work has bcoi opened. The
works are considered safe.
Ventilation, tolerable.
Machinery —They use 2 hoisting engines of 120diorse power, 1 breaker
engine of 40-horse power, 1 pumping engine of GOdiorse power, in all 4
engines ; aggregate horse power 220, and 23 steam boilers, which have
been cleaned, examined and reported to be safe and in good condition December
12, 1875.
Remarks.—They employ 1 boss, 26 miners, 14 laborers, 4 company men,.
4 drivers, in the mines ; 1 boss, 5 mechanics, 25 breaker men, 1 driver, 24
slate pickers, in all 105 men and boys in and about the mines, and 10 mules.
They used 185 kegs of powder, and worked' 95i^g days during the year.
For shipments see South Sugar Loaf, or No. 3, slope report.
C. Pardee, superintendent; Thomas Dickinson, general mine superintendent
; Robert Stevens, mine boss ; Harmon Minick, outside foreman.
Laurel Hill Colliery.
Located at Hazleton, on the estate of the L. Y. E. R. Co., and operated
by A. Pardee & Co.
Slope, No. 2, (or Hazleton, No. 4.)—Sunk on the north dip of the Mammoth
or E vein, at an angle of 33° 2', and has been sunk three lifts, the
first lift 86 feet deep, the second 21 7 feet and the third 239 feet ; total length,
542 feet; perpendicular depth, 296 feet, and is now used for lowering and
hoisting the men and also for pumping the water from No. 5.
Slope, No. 3, (or Hazleton, No. 5.)—Sunk on the same vein to the level
of No. 2, and contains three tracks to the second lift. The west gangway
in the second lift has been driven to the boundary line. Another gangway
has been driven across the pitch, crossing the old water level gangway, in
order to mine the coal left by said gangway. On the east side of the slope
tliey are making preparations to start a gangway across the pitch to work
the coal left by the old breasts. The west gangway in the bottom lift has
been driven to the boundary line, and is about 8,040 feet long, and contains-
15 breasts working and 115 breasts worked out. These breasts are opened
by a shute 18 feet long to the battery ; thence it is widened out to 30 feet;,
leaving a pillar between each breast of 24 feet for the support of the superincumbent
strata. A locomotive engine hauls the coal from the turnout to
the bottom of the slope, a distance of about 4,800 feet. The part the locomotive
engine runs on is ventilated by a separate current of air. The east
gangway has been driven 2,850 feet to where a balance plane is made, and
is 163 feet long, angle 19°. The plane or counter-gangway connects by an
air-hole with the west gangway of slope, No. 3, or South Sugar Loaf.
Difference of elevation between these two gangways, — feet. The west
gangway proper connects by an air-hole with slope. No. 1, or Hazletou
mines, and also connects by the old west gangway in the upper lift -with
slope. No. 4, or East Crystal Ridge. The vein is about 30 feet thick, and
the coal of superior quality.
Ventilation is produced by exhaust steam from the pumps and atmospheric
action. At present the inlet is located in the upper west workings, and the
thence to the heading
air circulates through down to No. 3 west gangway ;
and returns via the airway and down to No. 1 or Hazleton mines by an airhole
connection, as previously stated. The ventilation in No. 3 Laurel Hill
slope is very satisfactory. *
Machinery.—They use 3 hoisting engines of 170-horse power, 1 breaker
engine of 25-horse power, 1 pumping engine of 60 horse power ;' in all 5