LLOYD LOWNDES, ESQUIRE, GOVERNOR.

113

Allegany and Garrett, shall furnish at their own expense, all
props and all the requisite timber that may be necessary to be
need in the working of said mines, and as the miners employed
at work therein proceed with the working of their excavation ;
it shall be the duty of the owner, lessee or agent of said mines,
to furnish a sufficient quantity of props and timber of suitable
character at the place in the heading room, cross-cut or other
excavation in the mines where the miners are at work, and the
owner, lessee or agent operating any such mines shall, at their
own expense, properly timber any headings, rooms, pillars or
other excavations not recently worked, and lay up roads by
contract or otherwise to and in the same previous to the miners
starting new or further work or excavations therein, and said
owner, lessee or agent shall construct each heading hereafter
driven in every mine of sufficient width and height, said
height not to exceed the natural thickness of the vein, so as to
admit of the passage of the drivers who may be engaged in
driving cars along said headings.

"203 of Article 1, and 157 of Article 32." That whenever
any noxius gases or impure air is known to exist in any part of
any mine being worked in either of said Allegany or Garrett

Props and
timber to be
furnished at
owners,
etc., ex-
pense.

counties by such owner, lessee or agent, and which is likely to
endanger the health or lives of the miners employed therein
it shall be the duty of the Mine Inspector, upon the same
being known to him, to proceed at once to make a care-
ful examination of the ventilating apparatus of the said mine,
and if he shall find that the noxious gases or impure air exist-
ing in said mine resulted from the bad condition of the venti-
lating apparatus connected therewith, he shall immediately
notify the owner, lessee or agent, to close said mine, or part of
mine, or to expel from the same all such noxious gases or
impure air therein, and to properly ventilate the same, and
after such notification, if any owner, lessee or agent of such
mine shall neglect for the space of ten days, to close said mine
or part of mine or to take proper steps to remove such gases
or impure air from such mine, he shall be deemed guilty of a
violation of the foregoing provisions of this section, and he
shall be indictable and punishable for the same as for any
other violation of this Act, as hereinafter provided.
"204 of Article 1, and 158 of Article 12." That the Mine
Inspector shall also be an inspector of weights and measures
at all mines now or hereafter opened in said Allegany or
Garrett counties, and shall weigh several cars of coal mined
therein once every month on the scales of the different mines

Careful ex-
amination
of ventila-
ting appa-
ratus to
be made.