The times dispatch. [volume] (Richmond, Va.) 1903-1914, 1908-03-26
International Mining Exhibit

be more valuable than gold, as tho
| world y producing 500, 600, 900 of ,oi old
! and only $f00.00Q,000 OF silver ndflanII
I nun. 4 large part OF tho American
pIoan nc ,,I or these metals is consumed
/ ny the United States mint. The CON-
age OF the Philadelphia mint fast var
I was Sll8,l2S,051.93, not including al
I g go pieces Of coin that were mlntu
4 Tor ganhina, Mexico and the PhtliI.
| pine Islands. The coinage for this VoT
Is expected to exceed that of last Veal
~ ~ per cent. Uncle sam makes
money by buying silver bullion al sal
! or % cents an ounce. which Is pasged
I pach TO American citizens on par
Win WIN gold at the ratio OF $1.29 pc,
The exhibit Of tho Geologica1 survoy
at the mining exposition viii shoy
mat about seventy-nve minerals an
Loo IN this country, ranging from
Gteap grades of coal to diamonds Fay
! , ,,,ell have been found, but tho,
we're widely scattered, and as thet
iifpcatiohs and surroundings were sim
I liar TO the places where diamonds ~.
+ found In great abundance in SCUM An
rica,. scientists hold our to prospectori
me nope of finding q KImberlcv nold
| IN the New World.
There arc vast mineral resourcer i,,
llls country, notably in the case al
teiHent that arc as yet practically mi
ttI"l YOU but In other cases the end oil
icah coal deposits for instance, ii II
CIRCULATED, VIII only last a compara'
aiYgely snort time. with such faGts H..
mind the mining experts 81 the wopi
are now developing new procesges NJ,
new machinery To utilize low grad
INNER, numerals Which in the past have bee,
al, seI5S u; IN the pennsylvania GOA
slack coal, once regarded ne yr.stSi
,Wihleh can be utilized commercially't
e sttsi, SfIae F9id ore Is disappearing in
cyanide process OF extractinp tbn
metal abandoned mines and placers
an ne ne DC wotk ,, again with profit One
exposition win be that portion Of t5e
government exhibit dealing with ti,a
D,sek SANDS, which are tie residual
3anuS ieit after placer mining Recent
Investigations by the government ~
pefts, conducted al Boston and m ti,a
cortland, Ore, exposition, showed tbat
f IT, waste sands contain upward of
SoIa, garnet and platinum, which can
~, NJ eAl,tacted by scientific processes
l MS discovery means that when the
present supply OF these minerals 10
apparently exhausted the Sand ain,,a
@atsfcourses and even on the sessbnre
INDUSTRY or the American miner.
lt ~ expected that prdFno.ers 80 IN
tii i!Iltt VIII take especial interest in tse
s,% .po,.i AZ present. thee no
in Inc .ean TT, Pro9eSS Tor working TN o-e
are large deposits % 10 ynfra,., ~ .
Aiaska South Dakota North C,aralfy.,
nov, b bas atates. ,3AmerIcan in ose
70 be worked. II is hoped fSat y ,A baa,
tlCal process for working the az. -.
MI MI be an outgrowth OF the exposf.
Petroleum, Officially classed 90
lni1erni. 9iterS the least dangerous oc.
n nrptsss H., m the mineral Industry and
a aGd Oh Company dIsburses about $40
uvo.uvo annually In dividends ~.
inelai mines of this country yield very
rert =, ii! .}i profit, and GO per
mines. :" wy copper
- The llo, more scientific practical and
r rnorvngn the manner in which Mineral
resources are worked, the t,realer -,
,he financial returns That efnI,It,
WY mechanics. engineers. scitntists
INV iiau inventors are constantly at{worlc
,sy mining in America is more
nearly an art than ever before 9ioao
,ha ;S, and COMPRESSED air have tlken
ore ore p pdn,, o. mule power in hatling
ttTIa iran in the mines. The iland-t.Iii
tlat mad to be hammered hns rjtat.
va NY 10 drills driven by compres.ed
IVA Water. great enemy Of the pra,-
t t,Jai miner, IS pumped ont by. ele{-
Of stic Ky or hydraulic power. The Ida
serving TO eliminate other wafer frorE
mine seems the very acme Of Mir
,51} nan Electric light is used in
Slt LII. CedUly lire damn ma Z,
be exploded by the flame of a lantern
an electric flame Is the latest source
OF heat in reducing ores, thus sayins.
coal and GAS. This electricity is fire.
quently made by water power. which
also operates hoiats in the shafts Of
mines Hydraulic mining is practIced
IN California where banks Of gold
bearing gravel melt away before q
powerful stream of water from a hose
nozzle. In the Western deserts auto.
mobiles have taken the place Of the
old-time wagon and pack-horse in
transporting ore to market So IT is
all along the line of mining machinery
and equipment.
Improvement and advancement Arc
me order OF the day in mining. This
the exposition expects to prove III
also expects to demonstrate the ,1rpent
need OF a department of mines and
practical and commercial IN
terest in mining to augment the scien
tific work of the Geological survey
Numerous bills now pending in Con-
gress provide for such measures heinz.
prompted by the fact that 1000 lives
are annually sacrificed in mine l.isas-
tiers.
= To ,morrow-Bureau OF American
Republics.
Washington where she will Il. rn,,,,j