MARVIN MANDEL, Governor                            2867

The lands between the mud flats at Brooklyn and the
Liberty Reservoir on either side of the Patapsco River,
in Anne Arundel, Carroll, Howard, and Baltimore counties,
within a distance of [one] 1 mile on either side from the
medial line of the river, or either of its branches,
having been purchased by the State, shall be held by the
State as a State park under the protection and
administration of the Department which shall exercise the
same power of making rules and regulations and managing
the land as any other State park. The territory acquired
is subject to all the general laws passed by the
legislature not inconsistent with this section.

7-101.

(t) "Methane" is a hydrocarbon gas (CH4) frequently
encountered in coal mines. When it is diffused through
air in certain proportions of [5 1/2] 5.5 to [14 1/2]
14.5 percent, the mixture will explode in the presence of
a flame or hot spark.

(gg) "Ventilating current" means a current of air
circulating throughout the mine excavation, containing
not less than 19.5 percent oxygen nor more than [three
quarters of one] 0.75 percent carbon dixoide.

7-404.

(c) The operator shall provide a permanent station
at or near the principal entrance of the mine, indicated
plainly by legible signs, where the fireboss shall give
information regarding the state of the nine to each
worker before he goes on his shift. When the working
portion of any mine is [one] 1 mile or more from the
entrance to the mine or from the bottom of the shaft or
slope, a station, with the approval of the district mine
inspector, may be located near the workings. No one,
except the mine foreman, fireboss, or someone expressly
authorized in an emergency, may pass beyond the station
until every part of the mine has been examined and
reported safe. The fireboss may not permit any
unauthorized person to enter into or remain in any
portion of a mine through which a dangerous accumulation
of gas is being passed into the ventilating current from
any portion of the mine. He shall report any violation
of this provision to the mine foreman. when the station
of the fireboss is located at a distance within the mine
convenient to portions being worked, the operator shall
wall off any abandoned workings, whether finished or not,
from the main intake and manway heading or passageway of
the mine by a stopping of masonry or concrete,
sufficiently heavy to keep explosive or noxious gas from
entering the intake air at any point between the
firebosses' station and the entrance to the mine.