The sun. [volume] (New York [N.Y.]) 1833-1916, 1898-09-19
COLORADO PLACER MINING.
DREDGINa EXPERIMENT IN TIE
RRRcRINRIDGE DISTRICT.

Met Over Fifty Mon New Working In the
Comrtook nTines--NewC Coal Discoveries In
Observation-Disclosures IN Arizona Coal
Camp-AddIng 20 the Treadwen Mills
DENVER. Sept. lathe important mining
work doing in the BreokinridRe gold district
this season II that OF q California company
with Eastern backing up In one OF the gulches
whore water IL ecarce. The company at great
expense built q solid dam OF timberinR. well
6led In with rock and dirt. across the Rulch,
and while the small How Of water doFn the
guloh was forming q pond. work progressed
upon n dredging barge which In time noated
upon the water. Upon this dredge was es-
tabllshed a complete placer worker with md
less chair for buckets. separators. tables and
amalRam plates. Now this dredge IL scooping
mp tho bottom Of tho pond to bedrock. carrying
the sand and gravel by the endless chain and
buckets up to the tables. where the stun Is
systematically washed and all gold saved.
The taillngs are thrown back alongside the
dam, increasing its strength. while the dredRe
works forward up the gulch- The expense
Of all this has been very great and 1t will re-
duire several years Of steady work to prove the
ultimate success Of the enterprise. The ro-
ports are that the gold is being secured In
good quantities.
The attempts to reach bedrock along the
Blue and the Swan by open outs, tunnels.
cribbing and BY elovating the sands. which
have been tried for several years about Breck-
inridge, have about all been abandoned as Inn
practicable and there Is but little placer work
ing going on this season. There have, how
ever. been several important strikes on the
hills where new tunnels and shafts have been
driven. The BreckinridRe gold field Is In q
most promising condition and the business OF
tho camp has not been 30 good for years. New
investors have come in during the season and
there Is q good promise for the future.
Placer mining has not been wholly aban-
doned In the old Clear Creek bed, where gold
was first discovered in Colorado forty years
ago. A company has been sinking a shaft on
the old jackson bar near Idaho Springs this
summer and after drifting along some distance
recently secured q handful OF handsome gold
nuggets. In eight gulches about Central CITY
placer workings have been going on during
the present season by hydraulics. sluicing or
the old-fashioned cradle. The returns vary
from $3.50 per day to as high as $40 to 81
A New England company owning $500 acres
Of ground upon which $4,000 has been ex-
pended in q ditch and fiume. is now working
three monitors, handling about 1000 yards
Of dirt daily. The last cleanup showed a
value Of 80 cents per cubic yard.
Independence Camp, near Aspen, Is giving
employment to 100 men, runs a ten-stamp
mill. is adding twenty more. and ships con-
centrates to Aspen three times a week. The
Cowenhoven Tunnel Company 10 running an
extension into the Badger State property. and
in q few days the work OF shipping out ore
from that property will begin. The new con-
S csntTRtGr o ct 5 AsgB9 n f Il T0raE dod r eg9R Bp 6ne
running from five to seven ounces In silver Is
being concentrated at a profit.
of Athens at Pitkin in February last twenty
four carloads OF ore ayeraging $40 per ton
h haseb e eenn o SeIHpdeo on y it's Sn strike for las feet and
three shafts have been sunk to the vein.
CALIFORNIA.
Los ANGELES, Sept. 10.-A rich strike is re-
ported from the DemoreSt mine. near San
Andreas, Calayeras county. where q body Of
ore ten feet wide has been uncovered which
P RsSsaSa q bS sf Tie C dToae %InS viii 6 SdI1't TO lessen
SSaiiiorniA,ts oS OUTPUT nta Of sn 1Hlio nl1 THIS y ye Hha mime lime
will 5 overhapled during the enforced idle,
ness. The Light1er mine ID keeping me MIL
Nae MSehHR i9 mine Is at e west es f Point q Is t to Be- @n%Siatered
The troubles Of the strahle Slate Company
at Kelsey, Fl Dorado county. have been ad-
erty has been idle nearly four years. The
new company is !e6oGmposed OF san Francisc99
The accounts from II Dorado county say
that never before In the history OF that region
prospecting as is being done this year. The
meaere water supply has thrown many min
s TSs Sq sS M %oEk a wnG a4 minss G near e B Gs9so1sfl has
been been bought y orR9 y~ 2 SaSk sRd If TsssR66eeG6; w bhs
The Jackass Meadows mines In 1nyo coun-
~. near the, head waters OF the San yoSaeqSdl66.
have been bonded for one year Tor $2o.QOO.
been bought p, {. Beck and W. I: Tinndin
borax works at Oakland was, due. not TO a
lack Of profitable business. but to the fact that
Works EHE n peS SRR valley and e S8ItrS ted q PEW new
and improved. refining plant in New, York.
Eh y; the p mGoTS Il Is . nGfST p Rs1 Sa IeCsasd TIE ths
practical control of the boraI product In this
A good strike has been made In the Merton
ledge has been uncovered from SIX to four
f & as s7 BlG per t t0n IN le sola o. T TRS re ass1H ss
Is low grade. running about 50 per ton.
co "a SsROs ssa Of EsSsRsli.0 1ES9 9 8Sf RSs been sonS StS:
From surface indications the deposit seems to
work l. being resumed in a pumber Of the
which were productive years ago and which
promise to yield well again under modern
The Eureka mine, near Winchester. River
isSas SSV VEIN two ySS and @d1S . hall isss Vide S Wing
SSS ssSytslF or sSS D snd tS geojhultTrS%.N Sag RFG eSSSS SsVs
struck . coal vein In Cajon Pas. twenty miles
they say II promises. is one Of the most impor-
tant finds made. In southern California for q
long time. It Is bituminous coal. the vein ak
feet Wide on top. with no walls on one side.
ft NEVADA.
VIRGINIA orrx, Sept 1o.-There Is promise
OF q revival Of old-time activity at Oandelaria,
Columbus mining district as the taillpEs 90.
H5imes Company. There are SsyerSf hundred
tho1aand tons q these: Witch hGye aeouYYp-
covered In the SIxtieG. The value iS com
glted At S7;1l$ per ton: e Which e. e IA gola;
work them. but the HolmeR Company be-
Iieves It has found 9, proSesS by which u Gan
work It q THOUGHT the profit win b 96 per'
ton. The Holmss Company and the asSTglne
twelve TO twenty XEHe silver ore sop the
dumps, carving wdtl9A ks ~ Poe s9 e eoldt; t ~
az a cost Tor On %I1iSGspdFsdSsHonSt1sB
BefleyfiO for tre"1ns f00.{0ns psT daS. WhIchS