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Washburn, F. E. (ed.) / The Wisconsin engineer
Vol. 5, No. 2 (May 1901)

Williams, W. H.
Montana coals,   pp. 180-183


Page 180


ISO               TIhe I'ViSCOeSii L7Egioeer'.
and boiler-room, over and under all windows and doors, and
all exterior walls that are exposed (no party walls are to be
furred) with 2" porous terra cotta furring or other material ap-
proved by the architect.
  Haii -iog cciliig) in the top story, to be suspended from the roof
beams, may be of 3" terra cotta blocks or "B"
Expanded Mletal
lath.  Ceilings must be true and level and at the height on
plans.
  Roof Blocks.-Fill in the iron work of mansard roof With 3"
porous terra cotta blocks, also roof of pent-house.
  Girdcr ald C(olinin Cob'vrii1>.-Cover all girders and columns
With 2 inches of terra cotta, the same to be set true to line and
poiltedt up.
  The contractor is to remove all material and debris from the
building, do all patching after the other workmen are through,
and turn over his work thoroughly completed.
                    MONTANA COALS.
                      NV. 11. WILLIAMS.
  In many ways nature seems to have been more kind to the
North American continent than to anv other section of the globe.
In no way is this better manifested than in the distribution of
mineral resources. 'Not only are they abundant, but coal, that
indispensable article in all mining and metallurgical operations,
seems to have been very generally and promiscuously distributed,
so that it is nearly always to be found in close proximity to great-
metal producing districts, thus furnishing at moderate cost the
fuel necessary for operating mines and reducing the ores.
  In no state is this better exemplified than in Montana. The
great gold, silver, copper, and lead mines of this state are nearly
all situated in the main chain of the Rockv mountains. In an
irregular group of mountains forming the outlying eastern chain
of the Rocky mountain system are found nearly all the coal mines
of any consequence in the state.  Thus the haul from the coal
mines to the reduction works varies from 5o to 200 miles. This
eastern spur of the Rockies extends from the Yellowstone park


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