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Blowney, Walter E. (ed.) / The Wisconsin engineer
Vol. 22, No. 7 (April 1918)

McCaffrey, R. S.
The work of the mining engineer,   pp. 285-286


Page 285


            The WISCONSIN        ENGINEER                285
       THE WORK OF THE MINING ENGINEER
                      R. S. MCCAFFREY
             Professor of Mining and Metallurgy
  The work of the mining engineer which, broadly speaking is
the extraction of mineral from the ground, and its preparation
into a marketable product, may be divided into three separate
parts,-mining geology, mine engineering, and metallurgy.
These three fields though closely related require a distinct train-
ing and it is hardly probable that one man can become proficient
in all branches.
  The work of the mining geologist takes up the geological ex-
amination of new areas and the detailed study of the geological
conditions to obtain data for the future exploitation and devel-
opment of the economic resources. The geologist is very often
retained during the mining operations to continue geological
studies of the structure and genesis of the ore bodies, and some
of the most important work of our graduates is in this line.
  After a deposit of mineral has been discovered and prospected,
it is then necessary to extract the mineral economically. Just
to give an idea of the magnitude of certain operations of this
kind, it might be stated that the excavation in the Mesabi iron
district, and this only in one mining district in the United
States, was vastly in excess of the excavation for the new Pan-
ama Canal when the latter was at its maximum, and was done,
too, under the economic limitation that the work must be
carried on at a profit-a limitation that did not prevail at the
Panama Canal. Some of the larger copper producers handle
enormous tonnage daily. The Utah Copper Company produces
25,000 tons every 24 hours, which shows that large operations
are not confined to the iron producers. Our graduates who are
in the mining part of the work, are now employed in various
iron, copper, lead, and gold and silver camps of the United
States, and as the mineral development of the past few years
has been tremendous it is absolutely impossible to commence to
suply 1-T taco Homd for graduiates in this line.
;!LppJly bl U.., u |w - , ,t,->.-- ;, i__. _
  The metallurgist takes the ore after it is brought to the sur-
face at the mine and concentrates and separates the valuable


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