New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1871-05-25
IMPROVEMENTS IN COAL-MINLNG.

CONVENTION OF TIE AMERICAN INSTITUTE OF
PRACTICAL ENGINEERS HOW COAL Is
wAsTED-NEEDED REFORMS.
.WuKEsBARRE, May 20.-The development OF
the mines and motalurgca works OF this country during
the lust few years. and the investment OF enormous sums
OF money In lands and In the erection OF extensive Inn
movements have stimulated practical engineers to con-
slant study and experiments In the science OF inning,
especially tho mining OF coal In tho proper solution
OF problems constantly presenting themselves 70 engi-
neers, they have felt the necessity of convention
wherein advantage might bo talFen of practical workers
and the experiences of tho in tho mines In netHodS
OF TRANSPORTATION above and below tho SURFACE u
watering and ycniatinG miBos tho mechanical propa
ration OF coal and ether minerals tho various ne1
gical processes fact tic attainment OF TWO gre"' o
,ects l. The more economical production OF useiui n'
erals and metals and, 2. the greater saico5 un" "'
OF those employed in these fndtstfios'
The preliminary meeting Of the Convention atcly iii
session hero took place the 10Th lust, Mr. H. T. Roth
well of wiAosbarro, presiding. and u B. Commls5oner
r. w. RAYMOND Of kow-Y0rk, secretary pro tenn ihc
Copnjtse on BY Laws largely aided D. copy OF the
rules OF the North Of England Institute from Whch
inc Iples of the American Institute. The officers consist
Of President six Vico-Presidents, nine Managers
Council 10 which all executive business shall DO ro-
ferrod. Mr.. II. W. Raymond read an extract IRON ms
"GeScraphiedl distribution OF the United states Mining
Distrcts in which the phenomenal characteristics OF e
formation OF Ode4 and veins, they appear on THO west
OF the NeYadas. and the metaurgcal and minofat l9r
nations tho east, compared and xpained ~ nc
q SSr iS GS ectyr >, ad TSa,aror
paper read BY BIr r. r. RJAwgll, upon tho Wants IN
mining coal aud in It. preparation for inatkc Iyery
consumer well rs tie operator, engineer, ana M
| il concerned In til subject Mr. R0thweh claimed ihat
I'm no other country tie waste and cXtra}aSanco IA
producing coal permitted 10 such n extent as nus On
iLa c0nHent OF Europe national aws protect the min
cral formations from tho TecklessneSs OF spectators
he waS Convinced that fully onehan Of the
cc of this country IL wasted by being !cit IN tIo es
as pars to uphold the roof OF the mDc and the prOcc-
thor OF workiaGmen. Nor Is waste conhcd 10 inc hnG
After the coal has reached the erackor ~ Is es.eea 30
mining from 20 to 40 per cent Is ground % a , a ~
dumped upon the cum heap az romeay ior W. ilS
pillars, the erection of walls from material always 10
veins of ccal Mr. SAWYER argued that revolution in
the ideas of the wives would have to be Effected MS
Tssds the wssfe Gf f Sad Reare& a ne
two or more OF small coal for domestic purposes
pne ze d2c l aHd That the consumers would
domand supply OF the arsgr coal IN 81 % eat WI" de
| mand, ana .hn saving would DO a consequent result
TIE subject cf eShausting tho coal Deds was broached
during the animated dhcusipn that VIC Ls-
ing OF the paper Mr. Raymond gid not believe nat Gx,
hauston eoald be possibie but no did eeeye that INC
calamity OF practical eNa!ston OF tne mines mn NJ
occur within the space OF rev conventions T.ro ao
the alarming extent admitted upon all sIdes. Tho most
valuable OF the coal region are now supplying the
marriott. They most valuable because more aegessi-
bic and mined q. The greatest profit The farther down
tie shaft sunk. the greater the expense In raising coal
10 the surface and il losing from 80 TO 10 per
cent o. the available cheap coal, the time Is rapidly
coming when the mines viii be practically exhausted ny
reason of the expense producing the coat; land
should this tanspirc. said he IL viii be an everlasting
disgrace To the engineering profession OF the day
committee wassappOntod 10 consider the complaint OF
Waste Of coal IN mining and preparing it for marAet
to port at the next regular quarterly meeting
DuiinS Thursdays session papers wcrc read on the
ventilation OF mines By Messrs HOAr.dn OF IOttdyile
and Daddow of st. Clair and by Dir. Raymond OF New
York, Stamps, ticlr cfc and economical vaiue,
subject pertaining euTcly TO the production OF oil, and
showing e mpO5 bilty OF bas!n accurate estimate
OF the capacity u well by the workings Oh stamp.
Nessps W. wynn Kcnrick, late OF England Hoffman,
NcRair and Othec3 urged tho Improvement o. means
used in yentiauns and protecting lie ana property
against tho NplOsiVe gases OF the mines.
Tire Convention adjourned on Ihurslay evening, to
meet gain tho third Tuesday in August, at such
place the Council shall Gcteriiue