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

450 REPORT OP THE INSPECTORS OF MINES. Off. Doc.
doned, coal liaving all been worked out. James Sommerville, foreman.
Electric.—This mine has hcen well
drained thronghout the year,
but, owing' to the workings becoming gradually more extensive, the
furnace has insuflicient power to cause the necessary volume of air
to pass into the face of headings. The condition of brattices on cross
heading cut holes were mentioned in 'l>5 rejiort as having been built
of bone coal and are leaky. However, the operator has promised to
sink a new shaft and build a new furnace nearer the face of workings
in the near futuix^ Air jiassing present fuiuace, 20,47.") cubic feet.
W. S. Edwards, foreman.
Ghem.—The ventilation and drainage of this mine were good, except
on fourth right heading, in which there was a deficiency of air
at face, but by rei)airing several leaky brattices it could be i)ut in
proper condition. Some defects existed on traveling way, which
were ordered remedied. I have since i-eceived word that they would
be attended to; 14,(500 cubic feet of air was measured at furnace,
which was circulated through the mine in {wo