Albuquerque daily citizen. [volume] (Albuquerque, N.M.) 1895-1903, 1900-06-04
THE coCAl1l DISTRICT,
California Correspondent Writes O
the Features Of the Great Camp,
THE POWER HOUSE At MADRID,

yer N Rio Grande railway, the writer
proceeded westward forty miles to the
Cochiti mining district. crossing the
Rio Grande at the old Cochiti Indian
mission, which was established more
than three centuries ago, the relies OF
whose adobe and cement covered build
ings stand as a reminder OF historic
days. The Cochiti mining district lies
at a point on the eastern slope OF the
Cochiti range, ten to twelve miles west
Of the river crossing referred to. The
district covers an area OF SIS miles.
neal the heads Of three parallel can
yons. which drain eastward 20 the
river. known as Pine, Cola and Peralta
canyons. The main ago road goes
up PIN to the town OF Bland, above
which Is the Lone star mine. belonging
TO the Navajo Gold Mining company.
and a mile below town Is the mill or
the. Bland Milling company. AZ the
mouth OF this canyon IL the mill OF the
Cochiti Reduction and Improvement
company, who's mine, the Iron King.
endlines with the Lone Star above
Bland. Three miles south OF Bland. In
Cola n II the Albemarlc mine
and mill, belonging to the Cochiti Gold
Mining company: farther to the south
Is Peraita canyon, in which are num-
erous mining locations, and near the
head of which is the water supply OF
the Albemarie property. the water be-
ing plped by gravity to mine and mill
seven miles.
At the Madrid coal mines, near Ger
rillos, on the Santa Fe railroad, Is the
electric power plant OF the Cochiu Gold
Mining company. inclosed by a steel
building with asbestos lining. The 800
X. w. three-phase generator II driven
by an 500 horsepower direct connect
ting Corliss engine, the fuel used being
screenings from the coal yards. At
this power plant the 900 volts are trans
formed to 10000 for line transmission
to the substation at the Albemarle
mine, t~hirty-one miles distant. Here
step-down transformers reduce the
voltage back to $50. which Is the volt
g used on the motors. The pole line
Ia OF three No. 4 wires for current
transmission and two No. ~ wires for
telephone work. The TRANSMISSION cir
cult Is transposed every half mile. and
the telephone circuit every Ave poles.
The poles are rs feet long, set 51S feet
deep, 30 per cent of the number being
In solid rock.
At the mill and mine are electric mo-
tors OF various capacities. The belted
two-stage air compressor IL operated
by a l75-horse-power motor. the dou-
BILE drum hoist over the mine shaft is
run by a l00-horse power OTTO Civ
Gaa. 4. non. .p..a - 4 ann FEET nar ..tp-
ute. The mill Is operated in two sec
tons. each by a 150- horse-power mo-
tor. by which zach section may operate
independently Of the other; two motors
OF twenty horsepower each operate
the Pelantan-C lericl equipment. and
there are two or three ten horsepower
motors for various other work.
The Albemarle ledge trends north
N south through a p%orphyritic for
nation and Ia rs feet wide in some
places. II IL opened by an incline shaft
which follows the dIp.of the vein to 800
feet depth. 1t each l0O-foot station a
drift from 200 to 500 feet from the shaft
has been run, the ore being taken out
from wall TO wall, showing remarkable
width. In various places the ledge In
divided by porphyry horses. leaving
vein matter OF 10 to 80 feet wide next
to each main wall. making It appear
like parallel veins. The ore Is a hard.
whitish quartz. considerably oxidized.
little sulphurets. carrying
gold chiefly n some silver. The mine
is In condition to produce "A large ton
OF ore.
over the shaft IL a steel gallows |
frame. erected especially for incline
work. The ore passes through an ore
bin over grizzlies. separating the hne
from the coarse. Ii Is conveyed In cars |
to the crushing floor OF the mill, where
there are two crushers, below which
are four sets OF 26-inch and four sets
OF Ss-inch rolls, through which the
hard quartz passes; the talcose and
loose material Is carried direct to four
mills. The product OF the |
rolls undergoes a thorough process OF
screening. thence through revolving |
driers, and after passing through the
finishing rolls Is carried to the leach
ing tanks, where the straight cyanide |
solution Is applied. The material from
the mills is treated In eight watts by
the Pelatan-Clericl process. In the
teaching department Of the mill are !
twelve l20-ton tanks, six Of 80 tons
each and eight tanks OF 200 tons each. |
making a teaching capacity OF 3,lOO |
tons. As equipped at present the mill
can crush from 5000 to 5000 tons per
At the point where this mine |
and mill are located the canyon is very |
and has high and precipitous
sides. leaving No abundance OF room
for buildings and deposition OF taillngs. |
The mill is operating. but not at It's
full capacity. though It il expected TO |
soon.