The Goldfield news. [volume] (Goldfield, Nev.) 1904-1911, 1907-05-25

/ pound stamp. The ore Is crushed to
forty mesh and flows over the amalga-
mated plates. Special attention is given
to this department. the ore being turned
over a number of times while In contact
with the quicksilver.
Thu company here obtains a very large
percentage of the values in the Gold
field ores. After leaving the plates the
pulp is run to the vanners. by which
a very III grade concentrate from the
lowest Goldneld ores are made. From
the vanners the pulp is automatically
sampled and raised by Premier pumps to
the cone classihers. by which the sane
is separated from the shines. the slime
flowing to a large spitskasten. by which
the greater bulk of the solution is sepa-
rated by clear water and returns to the
battery tank to be again used In crush
ing ore. The thick pulp is taken from
the bottom of the spitskasten into the
slime treatment tanks. These tanks
are fitted up with overflow r~im-launders.
~decanters, and Deveaux propellers,
when the values In the slime are dis
solved or taken into the solution by
the cyanide. They are then transferred
to the company's own special leaf-flter.
ny Will thC kVta oho
solutions are separated from the pulp.
The pulp or shines are then washed
and the residue from which values have
been extracted are flushed to the dump.
The sand from the cone classifiers flows
with the water through spider distri-
buffers in the large Herculation tanks.
These tanks are fitted with side gates
through which the surplus water runs
of, and Is returned to be used again.
The sands. after draining. are covered
with cyanide solution; which. percolat-
Ing through sands. dissolve the values
after which the sands are washed and
transferred to the dumps. All the cyan
ide solution containing the gold and
silver runs to the precipitation plant,
where the values are recovered by the
use of zinc s~havings. The product or
values recovered from the cyanide solu-
ton is placed In the tank and refine by
a special process. This process ex-
tracts the zinc. lime and other impuri-
ties. The high grade residue, or precipi-
tate, is then washed In the filter press.
dried and transferred to the refinery
and melted into bullion, the same to be
sold to the United States mint.
A number of large additions and I'm
provements are now going In. The
compan Is adding one Of the largest
sized tube mills. a number of Whitley
tables and a system of large slime
tanks.
These tanks are tw~enty-four feet in
diameter and twenty feet in depth. 1t
is the aim of this company to keep up
with the production of the camp. and to
handle the lower levels or sulphide ores
through this mill, as well as the upper
or oxidized ores.
1t pays for all ores as soon as they
are sampled. and the owner is satisfied
with the same.
In connection with the plant 1t has a
most complete assay office and labora-
tory. 1t is now putting up a very fine
machine shop that will compare fav-
orably with anything in the west. This
shop will be fitted up with a number
of latest and most improved machines,
and is designed to handle repairs both
big and small that may at any time be
necessary around large works.
There are the usual quarters and resi-
dences. all of which, including the
works, are enclosed in an eight-foot
fence. The grounds are large, and are
laid out with the idea Of expanding.
Inc DuiiuiHB up VI tuiS Sical VhS-
reduction enterprise in Goldfeld was
accomplished largely by Walton E. Dow
len, the vice-president and general man
ager. Mr.. Dowlen came into this camp
in it's earliest days and Immediately
grasped its possibilities. He went to
France and enlisted large capital and
returning. bought out one of the small
plants here as a nucleus and by con-
slant additions and -enlargements.
amounting to an entirely new plant
built up one of the largest reduction
works in the west, which is treating
practically all the ore hat is being re-
duced locally.
Mr.. Dowlen has as assistant. Mr..
X. M. Simpson. one of the ablest min
ing men In Nevada, with a technic
knowledge of ore treatment that places
him at the head of western mill men.
He represents the Nevada-Gold1eld
Reduction works as ore purchaser and
mine representative.