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At the MBD Business Meeting held on March 1, 1971, the General Committee of the MBD Division voted unanimously to change the name and expand the role of the Fluo-Solids Separation Committee. The new committee is called the Environmental Control Committee. Such action was taken because of the importance of environmental control and the need for a more active role in this area by our Division.

Jan 1, 1971

PRESIDENT BENJAMIN B. THAYER,2 NEW YORK, N. Y. PAST PRESIDENTS JAMES F. KEMP,1 NEW YORK, N. Y. CHARLES F. RAND,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS,1 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 7, 1914

[Officers and Committees of the Society of Petroleum Engineers 1 Officers and Staff of the AIME 2 Officers of AIME Sections. Predominantly Petroleum in Membership 3 Alphabetical List of Members 5 Geographical List of Members 95 Advertisers' Index 122]

Jan 1, 1961

Preliminary plans of this meeting, together with a most interesting series of papers that have been received or promised, were published in the May Bulletin. The plans are being carried out enthusiastically and hospitably by the Colorado members and all indications point to an interesting and valuable meeting.

Jan 6, 1918

To control the slag in an iron blast furnace is to control the quality of the pig iron produced (and to a certain extent the tonnage), and to control the whole operation of the furnace itself, including a large part of the cost of production. The character of the slag is the determining factor in the character of the pig iron as to the controllable limits of sulfur, silicon, and, to a certain extent, the manganese; it has an influence on the proportions of combined and graphitic carbons.

Jan 1, 1935

By E. C. Reed

Drilling operations in Nebraska during 1942 were reduced to approximately 50 per cent of the previous year's record. Forty- No new fields were discovered, but the Barada field was extended and developed. Deeper drilling in the Dawson field was disappointing in view of the high expectstions held for the Viola, but some small Viola production did result, the first from

Jan 1, 1943

By Conrad W. Stellar, John L. Paynich

Abstract-A Design/Build concept that provides for earliest possible completion and lowest cost is presented. Elements of the program include: joint cooperation between owner, designer and builder; schedule construction sequence; and a line budget. Benefits over lump sum contracts are reviewed.

Jan 11, 1978

[Officers and Committees of the Society of Petroleum Engineers 1 Officers and Staff of the AIME 2 . Officers of AIME Sections Predominantly Petroleum in Membership 3 AIME Local Sections and SPE Regional Organization Maps 5 Alphabetical List of Members 7 Geographical List of Members 102 Advertisers' Index 133]

Jan 1, 1961

By William A. Mitchell

AN X-ray diffraction pattern for "calcined cold precipitated ferric oxide" is reproduced diagrammatically along with data for other iron oxides by R. C. Mackenzie.1 This pattern, which shows spacings higher than those for any other form of iron oxide, was obtained from material prepared and photographed at several different times over a period of weeks, but later attempts to reproduce the results were unsuccessful the pattern of hematite being obtained every time.2

Jan 9, 1953

To control the slag in an iron blast furnace is to control the quality of the pig iron produced (and to a certain extent the tonnage), and to control the whole operation of the furnace itself, including a large part of the cost of production. The character of the slag is the determining factor in the character of the pig iron as to the controllable limits of sulfur, silicon, and, to a certain extent, the manganese; it has an influence on the proportions of combined and graphitic carbons.

Jan 1, 1935

By A. B. Parsons

This YEAR BOOK, which is sent to every member, contains the roster of officers and the principal standing committees, brief summaries of the proceedings of the Annual Meeting and of the regional and divisional meetings, abstracts of papers published during the year, and a classified list of TECHNICAL PUBLICATIONS and CONTRIBUTIONS, as well as an index of all material published by the Institute in 1936 in these separate forms, in TRANSACTIONS and in MINING AND METALLURGY, the monthly magazine

Jan 1, 1937

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. JENNINGS,1 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 2, 1917

By Tom Bilson

TO recover the remaining ore tonnages along the south side of the Inspiration orebody, the company began open-pit operations in early 1948 in addition to underground mining. Due to the differences in elevation between the orebody and the existing ore handling and treating plants, the truck haulage operation is up hill. Road grades were established at 7 pct maximum.

Jan 8, 1951

By R. M. Schuster, F. M. Benavides

This study compares the costs of transporting coarse coal by pipeline versus more conventional belt conveyors. Hydraulic conveying of crushed (not pulverized) coal has not had widespread commercial acceptance. However, there is little doubt that the technology is available, so that, should this method be proven economical for a given application, implementation will become more acceptable.

Jan 1, 1984

By Walter Kauenhowen

GeRmany's crude-oil production during 1936 totaled 3,112,494 bbl., an increase of 5.2 per cent over the 3,007,711 bbl. produced in 1935. The official monthly production figures published in 1936 report only the individual production figures of the three old established fields, whereas since 1936 official reports combine the production of all other fields into one figure. According to these published data, and using a conversion factor of 1 metric ton equaling 7 bbl., the oil production of Germany in 1936 was as follows:

Jan 1, 1937

The following persons were appointed as representatives of this Institute on, the American Committee on Engineering Standards.: George C. Stone, J. W. Richards, Arthur L. Walker. The Secretary presented a request from the Engineering Council that the representatives of the Institute be arranged in the dicier of retirement so that one would retire in 1918, two in 1919, and two in 1920. The

Jan 9, 1917

By C. K. Leith

The question as to what grades of ore it pays to conserve for the future, and the valuation of low-grade reserves, are becoming immediate and definite as applied to the individual ore deposits, and seems to call for some sort of quantitative answer.

Jan 1, 1915

The American Association of Petroleum Geologists, P. 0. Box 1552, Tulsa, Okla. J. P. D. Hull, Business Manager. The official publication of this Association is the Bulletin of the American Association of Petroleum Geologists, issued monthly. It contains illustrated papers, maps, current notes, discussions, reviews and personals. Annual subscription is $15 ($15.40 outside the United States). Back numbers of the Bulletin, practically all of which are available, cost from $1.50 to $3 each; for several years back a uniform price of $1.50 each is charged.

Jan 1, 1933

Mr. Address Member is hereby proposed by the undersigned, as a Associate Junior Member of the American Institute of Mining Engineers. Signatures of three Members or Associates. Place of birth Year of-birth Education, when, where and how acquired, with degrees, if any. A technical education is not requisite for membership. Dates Please give record of experience on following page with dates; for e. ample, in the form used by "Who's Who In America" and similar publications.

Jan 6, 1917

By Robert H. Richards

During tile summer of 1870, I had an opportunity to visit the laboratory of the late David Forbes, Esq., in London, and was much interested in a labor-saving device which he had attached to his agate mortar. The mortar was placed in the centre of a small table, and about ten inches to the right of the mortar, a post, perhaps two

Jan 1, 1879