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Jan 1, 1914

By John D. Welsh

Jan 1, 1985

Jan 1, 1929

By J. E. Warren, J. H. Hartsock

In the receipt of J. E. Warren and J. H. Hartsock's comments on our paper, "Aspects of Gas Deliverability", We wish to point out that all the physical characteristics we conceived as constant were absorbed in the gas deliverability constant of the individual well's performance, listed

Jan 1, 1897

Jan 1, 1959

Jan 1, 1944

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

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

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

Jan 1, 1934

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Jan 1, 1938

Jan 1, 1908

Jan 1, 1894

Jan 11, 1951

Map

Jan 1, 1944

Jan 1, 1949

THE CHAIRMAN (J. W. RICHARDS, South Bethlehem, Pa.)-The first point on which I wish to speak is that sufficient attention has not been given to the quality of the ores, in estimating the reserves. I made this same criticism of the work on the iron-ore resources of the world issued by

Jan 12, 1918