El Paso herald. (El Paso, Tex.) 1901-1931, 1913-08-09
MINING NEWS
NEW MILL READY
FOR The CONCRETE
Grading Finished at Inspi-
ration Plant; Old Domin-
ion Increases Output.

Miami, Ariz., Aug. at the In
spirauOn Consolidated c0mpany's mill
site the first concrete win be poured
into the forms Monday.
The grading gang has finished its
work. The concrete mixers at the
mlllsite are set upon platforms and
the sand, cement and crushed rock
carried 20 them already blended by
cOnveyOr belts, the mixers merely mix
ing the material with the water and
discharging it into long wooden
trOughs called launderS, which will
convey the concrete downward TO the
successive walls IS they are builC, one
below the other The concrete now
being poured at the ore bin founda-
tons, near the hosting shafts. in Web
ster gulch, is being supplied from a
mounted. Launders leading out from
each side of the car make IT possible
to fill forms on each side of the car
as it moves along the. track.
The quarry west of the millsite is
supplying about so cubic yards of rock
daily for the ore bin construction and
about an equal amount for the begin
ming of the mill building AS work at
the latter progresses the quarry will
be opened and its output increased.
carload daily. This rate viii keep the
construction force supplied, for the
supply will accumulate often when the
concrete work is delayed by other con-
StructiOn.
Mine superintendent Felix MacDon-
aid has assumed charge of the mine,
/ l.
NAMED with Macdonald until he was
familiarized with the underground
workings. 1t is possible that the trans
mission line from Roosevelt dam will
be finished to Miami by November.
Much New Work at Miami.
The Maimi Copper company's output
of copper. During that month the I'M
derground development amounted to
$500 feet, exclusive of the work of
reopening the ground in the northwest
section of the ore body. The latter is
again in good working condition and
the mines extraction VIII be IN
July. 93,423 tons of ore were milled.
At present the concentrator is hand
ling about $1,000 tons dairy work or
charging and tlmberlng the captain
shaft down 70 the tramming level is
proceeding rapidly
At the mill the crusher section or
the building is being enlarged to con-
tain the two sets of heavy Miami type
/ Traylor rolls that are being ADDED 10
the crushing plant In the sixth unit
Deister is installing new type OF
Deister table a quadruple deck sand
table that is to receive thorough teSt
/ foundations OF what Woulu DC the
mills seventh section
R B. Candy is having an expert
mental plant constructed Tor 46aenIils
of the wholly experimental nature OF
! the work he is undertaking, MI can
! by viii not risk anything approaeehi4hlg
( a prediction of the outcome OF the
work he has laid out. Because of the
/ lack of sulphur in Keystone ores; the
and the cost of power here also is
/ above the average, making two checks
1 to progress in his work. The exist
/ ence of millions OF tons OF copper oAloe
ores throughout the district that must
l eventually be treated by the teaching
/ process makes the work one of deep
| interest and insures a thorough test
| of all applicable teaching processes
/ Launders covering a large area OF the
! flat southeast of the Miami mill are
/ being constructed to convey the tai
! ings to that section.
/ At the Copper Hill shaft of the Art
/ iona Commercial, development work IS
( being increased The raise recently
1 finished between the eighth and sixth
levels revealed considerable sulphldS