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Jan 1, 1949

In the mile-high city of Denver. Colo., the mining industry's political adjunct, The American Mining Congress, held its annual meeting, September 27-30. The Honorable Maurice H. Stans, in what became the keynote address of the meeting, spoke of a "common interest in a basic reality of 1970, a reality involving ecology, energy, raw materials and natural resources.”

Jan 1, 1970

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Jan 1, 1938

By A. Neustaedter

The following method of plumbing a shaft, suggested itself to me as practicable and at the same time more accurate than the methods commonly employed. It consists in obtaining a longer base by suspending the plumblines from the extreme corners, lengthwise of the shaft, and repro-

Jan 1, 1893

In preparation for the 118th meeting, New York, Feb. 17 to 20, 1919, the following committees have been appointed: Committee on Arrangements ALLEN H. ROGERS, Chairman. W. S. Dickson, Secretary. J. E. JOHNSON, JR. F. T. RUBIDGE. H. C. PARMELEE. FOREST RUTHERFORD. P. G. SPILSBURY. Committee on Annual Dinner Committee on Luncheon F. T. RUBIDGE FOREST RUTHERFORD, Chairman. E. B. STURGIS. E. MALTBY SHIPP. Committee on Patriotic Meeting H. C. PARMELEE, Chairman

Jan 8, 1918

Jan 1, 1934

[PRESIDENT E. DEGOLYER, District 0 NEW YORK, N. Y. PAST PRESIDENTS J. V. W. REYNDERS, District 0 . NEW YORK, N. Y. SAMUEL A. TAYLOR, District 3 PITTSBURGH, PA. FIRST VICE-PRESIDENT GEORGE OTIS SMITH, District 4 .WASHINGTON, D. C.]

Jan 1, 1928

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Jan 1, 1938

By J. J. Spencer

IT has been found that, during any particular period of operation or in mining any particular area of the Castle Dome mine, there appears variation between mine grade and mill grade, thus Ear always in the plus direction. It would be interesting to know if this condition obtains at other properties, and, if possible, to alter the sampling methods or computations in order to get better agreement between mine and mill figures.

Jan 4, 1951

For the year ending February, 1918 PRESIDENT PHILIP N. MOORE, ST. Loves, Mo. PAST PRESIDENTS , WILLIAM L. SAUNDERS NEW YORK, N. Y. L. D. RICKETTS, . NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS NEW YORK, N. Y. TREASURER GEORGE C. STONE, NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON, NEW YORK, N. Y.

Jan 10, 1917

MANY kinds of marcasite* are found since every metallic mineral, and perhaps some of the semiminerals, produces its own. I believe that [28v] rnarcasites are nothing other than the secondary materials and the menses of the conception of metals which, through insufficient time, have yet to arrive at their perfect age; and thus, because of

Jan 1, 1942

Jan 1, 1966

POSITIONS VACANT No. 175. At a mine in Missouri: general designer on timber work for concentrator power house and general mill work; two draftsmen on all kinds of mine and null work; two tracers, good letterer and map tracer; one transit man for surveys who can plot his work accurately.

Jan 1, 1917

Jan 1, 1938

PRESIDENT OF THE COUNCIL ROBERT W. HUNT CHICAGO, ILL. (Term expires February, 1907 ) VICE-PRESIDENTS OF THE COUNCIL WILLIAM P. BLAKE TUCSON, ARIL. THOMAS F COLE DULUTH, MINN. IRVING A. STEARNS WLKES-BARRE, PA. (Term expires February, 1907 ) HENRY M HOWE NEW YORK, N. Y. J. B GRANT DENVER, COLO. JAMES D HAGUE NEW YORK, N. Y. (Term expires February, 1909 )

Jan 1, 1910

Jan 1, 1943

By W. P. Haynes

DuRing 1939. there were no discoveries of oil and gas in Rumania worthy of mention. and the only important extension was the anticipated

Jan 1, 1940

For the year ending February, 1917 PRESIDENT L. D. RICKETTS,1 NEW YORK, N. Y. PAST PRESIDENTS BENJAMIN B. THAYER,1 NEW YORK, N. Y. WILLIAM L. SAUNDERS,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS1 NEW YORK, N. Y. TREASURER GEORGE C. STONE,1 NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY . BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 5, 1916

By P. Barnes

EXACT accounts have been kept of the cost of these chimneys, and it may be a matter of some possible interest that the plans and details of cost should be laid before the Institute. The statement of cost herewith submitted does not give minute particulars of the weights or quantities of material used, although these are noted upon the company's books.

Jan 1, 1876

PRESIDENT L. D. RICKETTS,1 NEW YORK, N. Y. PAST PRESIDENTS BENJAMIN B. THAYER,1 NEW YORK, N. Y. WILLIAM L. SAUNDERS,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS1 NEW YORK, '_N. Y. TREASURER GEORGE C. STONE,1 NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 4, 1916