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Jan 1, 1941

Jan 1, 1941

Jan 1, 1927

Jan 1, 1902

New Products Equipment

Jan 7, 1953

Truman H. Aldrich John H. Allen W. Lawrence Austin W. S. Ayres John Henry Banks Wm de L. Benedict Robert Bentley Andrew A Blair Walter M. Brodie

Jan 1, 1934

E. O?C. Acker Truman H. Aldrich John H. Allen W. Lawrence Austin W. S. Ayres David Baker Andrew A Blair Walter M. Brodie H.H. Burden Charles Butters

Jan 1, 1936

CARACAS PETROLEUM Established February 24, 1957 Official year begins in January Harry J Sykes, Chairman G J Clarke, Vice-Chairman Robert S Longwell, Vice-Chairman David L Stepanek, Treasurer Robert C Newman, Secretary Texas Petroleum Co Apartado 267 Caracas, Venezuela

Jan 1, 1960

Jan 1, 1925

OFFICERS AND DIRECTORS (The Officers are the President, 6 Vice-Presidents, the Treasurer, and the Secretary) President and Director CARL E REISTLE, JR, '58 Past President and Director HENRY DEWITT SMITH, '57 President-elect and Director GROVER J HOLT, '59

Jan 1, 1956

Established as a Division March 24, 1922 R B Gilmore, '57, Chairman G L Yates, '56, Vice-Chairman Phil J Lehnhard, '56, Vice-Chairman John R McMillan, Past Chairman T A Pollard, Treasurer Joe B Alford, Executive Secretary 800 Fidelity Union Building Dallas 1, Texas

Jan 1, 1955

SECTION I Page Page New York Section War Meeting on Employment xxxii Sulphur and Pyrite v Local Section News xxxiv War Minerals Committee xviii Forthcoming Meetings xxxvi St. Louis Meeting xx Library xxxvii Minutes, of Meeting, Executive Membership xli Committee xxvi Institute Committees Iv Members in Military Service xxvi Officers and Directors lxii Personal xxx

Jan 10, 1917

Jan 1, 1955

Section 67 Department of Conservation and Development, State of New Jersey, State House Annex, Trenton, N. J. H B Kummel, State Geologist For lists of publications, maps and geologic folios, address the above. Where price of postage is noted, in the following list of available publications on geology, the postage is only to New Jersey and

Jan 1, 1933

By F. M. Lewis, R. B. Bhappu

In 1977 a paper was presented which reviewed the cost trends in producing copper by conventional processes for five years, 1972 through 1976. In this paper these costs have been updated to include the years 1977 and 1978.

Jan 1, 1982

By R. C. Troxell, S. C. Sun

EFFORTS to obtain definite quantitative data when employing the currently used bubble pick-up method', as a pre-flotation investigation tool led to the adoption of the magnifying mirror method and the microscopic method modifications. Quantitative data obtained by these two methods were converted into bubble pick-up indices and bubble pick-up coefficients. Rough correlations were established between the calculated indices and the results of contact angle testing as well as actual flotation under the same conditions.

Jan 7, 1953

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