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By H. M. Chance

HAVING an opportunity of exhibiting specimens of .coal from two beds in this field to the members of the Institute, I desire only to

Jan 1, 1885

PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872-1874 A L HOLLEY1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 - 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882 RICHARD W HUNT 1883

Jan 1, 1917

STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-GEORGE C. STONE, chairman. Finance-J. V. N. DORR, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADLEY STOUGHTON, chairman. Nominations-POPE YEATMAN, chairman.

Jan 6, 1919

SINCE I have begun to tell you of the semiminerals that serve as colors, I wish to tell you of azure and green azure, so that you may know what they are. I tell you first that there are two kinds of azure, one called ultramarine blue by painters, and the other German blue. Ultra-

Jan 1, 1942

Jan 1, 1897

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Jan 1, 1938

Jan 1, 1959

E. O?C. Acker Jinzoc Adachi Truman H. Aldrich Walter H. Aldridge Anson W. Allen John H. Allen William R. Appleby W. Lawrence Austin W. S. Ayres David Baker John Henry Banks Henry C. Banon Alonzo F. Bardwell Wm de L. Benedict Robert Bentley Andrew A Blair Walter M. Brodie Elwin F. Brown Fredrick Burbidge H.H. Burden Charles Butters

Jan 1, 1941

Jan 1, 1907

By Stanley C. Suboleski, J. Richard Lucas

Simulator I, a program to simulate production in room and pillar mining systems containing up to six face operations, was developed at Virginia Polytechnic Institute under sponsorship of the Office of Coal Research. Since its inception, several hundred analyses have been run, with over thirty companies using the program. This paper describes the simulation technique used in this program, the output achieved from an analysis, and reviews the experience gained in working with Simulator I.

Jan 1, 1969

PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872-1874 A L HOLLEY1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 - 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882 RICHARD W HUNT 1883

Jan 1, 1917

DISCUSSION, T. B. King and H. H. Kellogg, Chairmen Philipp Gross (Fulmer Research Institute Ltd., Stoke Poges, England)—As pointed out by the author, any better agreement between experimental and calculated

Jan 1, 1956

[Acker Drill Co., Inc. 997 Bauer Advertising, Inc. Allen -Sherman-Hoff Pump Co. Third Cover Dee Carlton Brown, Advertising Allis-Chalmers Mfg. Co. 911 Compton Advertising, Inc. American Cyanamid Co * James J. McMahon, Inc. American Manganese Steel Div., American Brake Shoe Co. 933 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. * Kenyon & Eckhardt Inc. Carlon Products Corp. 910 Penn and Hamaker. Inc.]

Jan 1, 1952

By H. M. Morse

During the year 1942 there were 66 wildcats drilling in Mississippi. One cored in oil sand, the Macro Drilling Company's Longbell No. I in Clarke County, but as yet it has not succeeded in recovering the oil. These drillings broughi to light five salt domes, two of which had heavy oil showing; one drilled by the Magnolia Petroleum Co. in Warren County, and

Jan 1, 1943

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

Jan 1, 1934

Jan 1, 1934

The Second Annual Safety First Dinner to the Liberty Bell Mine Crew was held on Apr. 7, 1916, in recognition of the second year without fatal accident and with few serious accidents. The address of the evening was given by the Rev. Edward Burns Martin, on "Safety and Citizenship," and was followed by informal talks on safety, health and citizenship.

Jan 6, 1916

Jan 1, 1919