The Daily Ardmoreite. [volume] (Ardmore, Okla.) 1893-current, 1910-03-08
STRIKE EXPECTED
IN COAL MINES
ONLY Ions WALL NINE IN THE
STATE rs OWNED By ARDMoRE
PEOPLE.


of this city. In speaking of the cX.
pccted coal strike he said one oc
Cured every two years and il -
about time now for strike to be-
called. TIE miners enter into agree
monts that last two years and at the
expiration OF tnat time they always
/ MAKE new demands and cal striko.
The min, owned by these men Is
the oniy mine in the state operated
on the lonp-wall plan. \ dispat IA
sent out from Norman to the Ok a.
| homan gives an interesting descrip
| tion of the different system of min.
ing II says.
the coal fields of Oklahoma for the
| past two weeks making inyestig1
| tions OF the mines of Oklahoma, il
quite enthusiastic over the mine
which he visited at Midway. IN the
| southern part of Coal county In
/ speaking Of il Professor Gould said
The only long wall mine with which
| am acquainted in Oklahoma Is Ia
Gated at Midway. 1t H. being oper.
ated by MIR. Duffy. the general man.
/ ag"r of the mines. Most coal mlnt :
! " Oklahoma are operated or the
room and pillar system. by this
method shaft is sunk TO the level
/ o. the coal and an entry driyer
usually in several directions from the
foot Of the shaft From this entry
rooms are led off from which cnal
is taken. Bodies of coal between the
rooms are left standing. Thee, arc
called pillars Ordinarily abou; 10
per cent of the coal is lert H. tre
ground.
In the room and pillar systal the
coal is basted out with pow.i,r and
the eyI.osive force Of the powder
breaks up much OF the coal VI. V fin,
Il 1'sC shoots out a consi ierab q
amount of the clay and eha.n roof
anove the coal and this material
rails down and is mingled with the
coal so that much of 1t is very i'm.
pure.
NJ! the material, coarse Goa, fine
fine coal and shale cr dirt is
taken out of the mine and the slack
or line coal screened out The dirt
or shale Is dumped out on the pral
rie. 1t is estimated that by the room
and pillar method employed in OK.
lahoma. 30 per cent of the coal in
the ground never reaches the fur.
mace or stove and at least one.hals
o. 1t Is wasted, either remaining as
pillars or slack.
BY the long wall method practi.
cally all the coal is taken out of
the ground. by this plan after an
entry has been driven for a number
of rods into the hill the mine he.
gins cutting away from the side of
the entry, not Blasting II down bu,
the coal is wedged dem, or some
times rails of its own weight. All
the shale and clay and impure coal
that Is taken out of the under cut
ting or from the roof is packed away
or built up as pillars under the roof
by this method there Is no slack and
no waste material to be carried :,
the surface and practically all IN,
coal IN the ground is taken out. Mr.
Dufy certainly deserves great cred
1t for the Inauguration of the long
, well method in Oklahoma. II ha,
been tried before once or twice O,
small scale but either the condi
tons were not suitable or the NE,
In charge We're not sufficiently ac
quainted with the method in orde
l TO do the work right.
There has been altogether to-
: much waste of Oklahoma coal. Tn
, operators have been busy in skim
ming the cream. taking out only tn
coal that could be gotten at wit
the least trouble. This coal is
| heritage to our posterity and tn
waste which has been going on /
| little short of criminallty. It is grea
| y to be hoped that Mr. Duffy's ple
vii find universal acceptance in tn
state and coal beneath the groun
will eventually all be used.
II Are you frequently hoarse? Do 70
have that annoying tickling in you
: throat? Does your cough annoy yo