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Jan 1, 1938

By O. B. Hopkins

Activity in the oil industry in Peru during 1930 was confined almost entirely to the three old producing fields in the northern coastal area. In the eastern part of Peru, in the valleys of the Maranon, Ueayali and Huallaga rivers, additional geologic work was carried on, but no drilling was undertaken. The Peruvian Government granted a concession on June 27, 1930, to W. R. Davis and associates for the building of a railroad from the west coast at Bayovar to Yurimaguas on the Huallaga River. This concession contemplates the construction of 800 to 900 km. of railroad across the Andes and carries with it a grant to the concessionaire of 12,500,000 acres of land with oil and mineral rights. A similar concession was granted in 1926 but after several extensions was rescinded in July, 1929, on the grounds that the concessionaire had failed to begin work on the railroad within the time limits of the contract and its extensions. The production in barrels from the three coastal fields of Peru has been as follows: 1929 1930 International Petroleum Co.......................... 10,821,117 9,766,922 Lobitos Oilfields, Ltd................................ 2,508,091 2,613,511 Zorritos........................................... 75,000a 78,000a 13,404,208 12,459,060 a Estimated. No definite figures available. Although not large, the Peruvian production has been steady during the past years. The reduction of approximately 8 per cent. in 1930 as compared with 1929 is the result of the world's overproduction and the attempt on the part of the International to restrict the output to conform with the available market. International Petroleum Company International Petroleum Co. owns the oldest producing property in Peru. The first well was drilled there in 1872. The cumulative production from the property from 1900 to 1930 inclusive has been over 92,000,-000 bbl. from an area of 15,000 acres. The recovery per acre has varied

Jan 1, 1931

ALABAMA. Aldrich, Aldrich, W. F. Anmston, Noble, A. E Bessemen, Abbott, C E, Fergusson, V Birmingham, Aldrich, T. H, Aldrich, T. H, Jr, Bowron, J, Burbidge, T A, Collord, G L, Crockard, F H, Davis, F H, Dimmick, F. D., Hiller, E., Johnson, G R, Ludwig, C P., McCormack, G B., McCrery, Peters, R , Jr , Phillips, W B, Ramsay, E ,Shook, A. M Car bon Hall, Pill, J R Emsley, Williams, E P Gadsden, Hudson, J B , Helena, Squire, J Holt, Shook, J W. Huntnnlle, Moss Lehigh, Toulmin. Rock Run, Garvin, J. M. Sheffield, Miller, D I Tusscaloosa, McCausland, E J , Woodward, Woodward, A. H

Jan 1, 1910

By E. C. Reed

Ninety wells were completed in Nebraska during 1941, of which 42 were producers. One of them was the discovery well of a new field. All of the production to date is in Richardson County. At the close of the year 14 wells were drilling and three more were shut down for orders, hoping for future development of production. Most of the drilling activity was in Richardson County, which had 68 operations; 10 wells were drilled in Nemaha County, 5 drilled or drilling in Gage County, 3 each in Otoe and Furnas Counties, 2 each in Cass, Harlan, Johnson and Sarpy Counties, and 10 wells were completed or drilling over the remainder of the state. The most important development of the year was the discovery in October of the Barada field, sec. 36, T. 3 N., R. 16 E.,

Jan 1, 1942

By E. C. Reed

Ninety wells were completed in Nebraska during 1941, of which 42 were producers. One of them was the discovery well of a new field. All of the production to date is in Richardson County. At the close of the year 14 wells were drilling and three more were shut down for orders, hoping for future development of production. Most of the drilling activity was in Richardson County, which had 68 operations; 10 wells were drilled in Nemaha County, 5 drilled or drilling in Gage County, 3 each in Otoe and Furnas Counties, 2 each in Cass, Harlan, Johnson and Sarpy Counties, and 10 wells were completed or drilling over the remainder of the state. The most important development of the year was the discovery in October of the Barada field, sec. 36, T. 3 N., R. 16 E.,

Jan 1, 1942

Jan 1, 1930

By L. B. Slichter

After statement of the principles of similitude which apply to electromagnetic modeling, charts showing the inductive response of conducting spheres as dependent upon frequency, conductivity, and size are exhibited in this paper. The shape of the curve which relates intensity of response to frequency is significant in indicating the advisability of low frequencies in the exploration for conducting bodies, when consistent with the securing of a large percentage of the ideally possible response. Comparisons of theoretical response and that observed with models are shown, and relationships with the subject of applied electromagnetic prospecting are indicated. Maxwell Field Equations The Maxwell field equations summarize the physical laws that govern electrical field phenomena; they are the basis for the solution of electromagnetic problems. These concise equations, with adequately formulated boundary conditions, specify the complete electrical condition of continuous media, and the development of their solution amounts merely to a more convenient re-expression of phenomena already completely described. Thus, the immediate content of the field equations themselves is sufficient and sometimes convenient for the treating of certain questions (such as those relating to electromagnetic models) which are independent of the special factors of geometry, or the nature of an impressed field. The four Maxwell field equations are written below, in c.g.s. gaussian units: curl E = -B/c [21 div eE = 4pp [31 div B = 0 [41

Jan 1, 1932

GENERAL COMMITTEE GERALD F. G. SHERMAN, Chairman. ARTHUR NOTMAN, Secretary. NORMAN CARMICHAEL, JOHN C. GREENWAY, W. L. CLARK, W. G. McBRIDE, B. BRITTON GOTTSBERGER, FOREST RUTHERFORD. General Committee on Transportation WALTER DOUGLAS, Chairman. CLEVELAND E. DODGE, Secretary. ARTHUR S. DWIGHT, JOHN C. GREENWAY, JULIUS KRUTTSCHNITT, JR. Committee at El Paso W. D. GORDON, ROBERT McCART, JR., W. W. ROSE. Committee at Santa Rita JOHN M. SULLY, Chairman.

Jan 12, 1916

ONE HUNDRED AND FOURTEENTH MEETING OF THE INSTITUTE, MONDAY, FEBRUARY 19, TO THURSDAY, FEBRUARY 22, INCLUSIVE, 1917 Committee on Arrangements DAVID H. BROWNE, Chairman LAWRENCE ADDICKS Louts D. HUNTOON E. MALTBY SHIPP PERCY E. BARBOUR H.A. MEGRAW BRADLEY STOUGHTON GEORGE D. BARROW _ THOMAS T. READ EDWARD B. STURGIS KARL EILERS BURR A. ROBINSON ARTHUR L. WALKER F. T. RUBIDGE Summarized Program MONDAY, FEBRUARY 19 9:00 a.m. to 5.00 p.m. Registration at Institute Headquarters. , 10.00 a.m. Simultaneous Sessions on Geology and on Metallography.

Jan 2, 1917

COLORADO LOCAL SECTION Executive Committee CHARLES A. CHASE, Chairman S. A. IONIDES, Vice-Chairman C. LORIMER COLBURN, Secretary-Treasure, 614 Ideal Bldg., Denver, Colo. F. H. BOSTWICK, W. G. SWART. The annual meeting of the Colorado Local Section of the Institute was held at the Savoy Hotel, Denver, Jan. 15.- The Chairman, Frank Bulkley, presided and made a short address on the work of the Section. The following officers were elected:

Jan 3, 1915

STANDING COMMITTEES Executive A, R. LEDOUX, Chairman HERBERT HOOVER EDWIN LUDLOW ARTHUR S. DWIGHT CHARLES F. RAND Membership J. V. W. REYNDERS, Chairman J. V. N. DOER W. H. ALDRIDGE EDGAR RICKARD R. M. RAYMOND Finance MARK L. REQUA CHARLES F. RAND, Chairman J. V. W. REYNDERS Library E. GYBBON SPILSBURY, Chairman ALEXANDER C. HUMPHREYS GEORGE C. STONE JOHN H. JANEWAY BRADLEY STOUGHTON Papers and Publications BRADLEY STOUGHTON, Chairman

Jan 1, 1923

Arizona FRANK A. WARDLAW, JR., Chairman GRANT R. RUBLY, Secretary-Treasurer Miami Copper Co., Box 505, Miami, Ariz. MICHAEL CURLEY C. R. KUZELL BURRELL R. HATCHER A. MENDELSOHN WILLIAM KOERNERA. C. REIFSNIDER Black Hills L. B. EAMES, Chairman ALEXANDER J. M. Ross, First Vice-Chairman FRANCIS CHURCH LINCOLN, Second Vice-Chairman NATHANIEL HERZ, Secretary-Treasurer Lead, S. D. JOSEPH P. CONNOLLY C. N. KRAVIG C. E. DAWSON EDWARD L. TULLIS

Jan 1, 1939

Jan 1, 1915

[THE BLAST FURNACE Blast Furnace U. S.A., M. O. Holowaty, and C. M. Squarcy Part I - Colonial Ironmakers (JOURNAL OF METALS, May, 1957)3 Part II - The Age of Mineral Coal (JOURNAL OF METALS, July, 1957) 9 Part III - From Falling Creek to Zug Island (JOURNAL OF METALS, October, 1957 17 Sterling, Ringwood, and Greenwood, R. W. Shearman and F. Weston Starratt (JOURNAL OF METALS, September, 1959) 23]

Jan 1, 1961

PRESIDENT AND DIRECTOR R. C. ALLEN . CLEVELAND, OHIO PAST PRESIDENTS AND DIRECTORS H. A. BUEHLER ROLLA, Mo. JOHN M. LOVEJOY NEW YORK, N. Y. VICE-PRESIDENT, TREASURER AND DIRECTOR KARL EILERS NEW YORK, N. Y. VICE-PRESIDENTS AND DIRECTORS HENRY KRUMB NEW YORK, N. Y. PAUL D. MERICA NEW YORK, N. Y. H. G. MOULTON NEW YORK, N. Y. HARVEY S. MUDD Los ANGELES, CALIF. WILFRED SYKES CHICAGO, ILL..

Jan 1, 1937

PRESIDENT AND DIRECTOR JOHN M LOVEJOY NEW YORK, N. Y PAST PRESIDENTS AND DIRECTORS HOWARD N EAVENSON PITTSBURGH, PA HENRY A BUEHLER ROLLA, MO. VICE PRESIDENT, TREASURER AND DIRECTOR KARL EILERS NEW YORK, N Y VICE PRESIDENTS AND DIRECTORS LOUIS S CATES NEW YORK N Y PAUL D MERICA NEW YORK, N Y WILFRED SYKES CHICAGO, ILL R C ALLEN CLEVELAND, OHIO HENRY KRUMB NEW YORK, N Y

Jan 1, 1937

PRESIDENT AND DIRECTOR JOHN M. LOVEJOY NEW YORK, N. Y. PAST PRESIDENTS AND DIRECTORS HOWARD N. EAVENSON PITTSBURGH, PA. HENRY A. BUEHLER ROLLA, Mo. VICE-PRESIDENT, TREASURER AND DIRECTOR KARL EILERS NEW YORK, N. Y. VICE-PRESIDENTS AND DIRECTORS LOUIS S. CATES NEW YORK, N. Y. PAUL D. MERICA NEW YORK, N. Y. WILFRED SYKES CHICAGO, ILL. R. C. ALLEN CLEVELAND; OHIO HENRY KRUMB NEW YORK, N. Y.

Jan 1, 1936

For the year ending February, 1923 PRESIDENT ARTHUR S. DWIGHT, District 0 NEW YORK, N. Y. PAST PRESIDENTS HERBERT HOOVER, District 4 WASHINGTON, D. C. EDWIN LUDLOW, District 0 NEW YORK, N. Y. FIRST VICE-PRESIDENT J. V. W. REYNDERS NEW YORK, N. Y. TREASURER CHARLES F. RAND NEW YORK, N. Y. SECRETARY FREDERICK F. SHARPLESS,. . . . . NEW YORK, N. Y. ASSISTANT SECRETARY PERCY E. BARBOUR NEW YORK, N. Y.

Jan 7, 1922

(Under this heading will be published notes sent to the Secretary of the Institute by members or other persons introduced by members.) No. 544.-Mining engineer, 39 years of age, graduate E. M. with extensive experience in the United States, Canada and Spanish-speaking countries. Good organizer, energetic and resourceful. Experience covers mining and milling of gold, silver, lead, copper, zinc and tungsten. At present a Captain of Engineers, U. S. A., expecting to be released shortly. Open for engagement as manager, superintendent or examining engineer. Correspondence and personal interview solicited. No. 545.-Engineer and geologist, member, age 29 years, technical graduate and married. Six years' practical experience as surveyor, chief engineer and in exploration work in West, Southwest and Mexico. Speaks French and Spanish. Desires position with exploration company or as engineer and superintendent of small mine. Will be released from commission in United States Navy about February 1. No. 546.-For staff position-or manager. Member, married, graduate mining and metallurgical engineer, 18 years' experience in underground and metallurgical work on gold, silver, copper, lead and zinc ores. Details, references, and qualifications will be sent if requested, or may be seen at Institute office. Available immediately in United States or Canada. Would go reasonable distance for an interview if desired. No. 547.-Member, experienced in mine operating, engineering, general contracting and constructing. Technical graduate, mining engineer, married, age 38 years. Many years' practical experience while advancing through different positions to manager. Best of references and rating. Desires change. Position with future. Can obtain results. Salary commensurate with position. Available on short notice. No. 548.-Mining engineer, member, technical graduate, age 31, on military service since August, 1914, available after January 31. Best of references.

Jan 3, 1919

By John T. Awald

The Bradshaw Mountains of west-central Arizona cover an area of 1600 square miles and contain numerous old mines and prospects. The area has been geochemically sampled on a reconnaissance basis to relate mineralized areas to regional structure and rock types. Copper analyses of stream sediments have been classified and contoured to show the distribution of low and high backgrounds and low, intermediate, and highly anomalous areas. Contoured results are compared to geology and known mines. Several prospecting areas are indicated.

Jan 1, 1972