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Jan 1, 1935

Jan 1, 1909

By F. M. Leonard

Churn-drill hole sludge samples have proved their reliability at Cananea

Jan 5, 1951

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Jan 1, 1942

Jan 1, 1882

Jan 1, 1900

Jan 1, 1957

Jan 1, 1905

By Evan Just

Engineering education for the mining industry has been undergoing a gradual change in recent years, to an extent that many employers may not realize. The result of this change is that the new graduate comes to his first employment with very little knowledge that is immediately valuable in operations. He is in fact, simply "half-baked" and needs much education on the job before his schooling will pay out in any significant way. To the employer who fails to recognize this, and fails to give the necessary training to finish the educational job, the modern graduate is likely to be unsatisfying. Moreover, the young fellow's future competence will be impaired. However, to the employer who assumes the educational burden, the effort should pay out as the half-baked products, after a few years, ought to be more useful than their predecessors and should have a greater potential to solve problems or cope with change. The reasons for this development are given below in the foreword to a questionnaire survey circulated by the SME Committee for On-the-Job Training.

Jan 6, 1964

Jan 1, 1940

By H. Foster Bain

This is the third volume of the collective index of the Transactions Each volume is indexed and the indices of Volumes I to XXXV have been collected into a single index volume, similarly the indices of Volumes XXXVI to LV are collected in a single volume This index covers Vol¬umes LVI to LXXII, and the three index volumes together cover all the volumes of Transactions published from the organization of the American Institute of Mining and Metallurgical Engineers in 1871 until the end of 1925.

Jan 1, 1926

All branches of our profession may look back 'with pride upon the patriotic service rendered by engineers during the war. That war has been won. The mortal danger which it threatened has been averted. But the effects of the torture inflicted by it still remain, a fever in the blood of the body politic. Fever begets delirium and, unless its course be checked, has a tendency to produce convulsions. The only safe course is to take immediate steps to allay the fever. The seat of the present trouble is industrialism; as production is at the foundation of civilization, a diseased condition there carries pain and consequent unrest into every member of the organism. Who shall supply the cure? Quack doctors, nostrums in hand, rush forward from all directions promising to perform miracles. But sane men know that no miracles, though invoked by star gazers of purest intention, will prevent or accelerate the orderly operations of the laws of nature and of human life. Delirium must be controlled by the firm, gentle hand of intelligent, sympathetic authority. Fever must be allayed first by removal of all poisons from the system, then by consistent ministration of cooling, quieting restoratives, then by simple, wholesome nourishment. Nature will, under such treatment, supply the permanent cure.

Jan 12, 1919

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Jan 1, 1938

By George L. Lyle

WITH the advent of World War II, the need for agricultural products rose phenomenally and caused a similar increase in demand for plant foods of which phosphate rock is one of the more important raw materials. By the close of the war or shortly thereafter, all of the operating companies were expanding their production facilities. Many companies installed modern bulk material handling facilities. Designs varied, but were generally of the overhead trestle type of storing conveyors. American Cyanamid studied these various installations but was not satisfied with the conventional system because of high initial cost, increased maintenance problems in the way of painting structural steel that might be submerged in stored materials, and because of slightly increased operating costs. As a consequence of these economic analyses, conferences were held with the various conveyor manufacturers to develop a better method of storing and reclaiming. After considerable engineering study, one conveyor manufacturer suggested the unique system which was installed in 1950.

Jan 8, 1954

Oklahoma Geological Survey, Faculty Exchange, Norman, Okla The Oklahoma Geological Survey was closed for lack of funds July 1, 1931. However, a list of publications "will be sent and requests for publications will be filled in so far as possible Address the above.

Jan 1, 1933

By R. W. Raymond

RECENT literary labors have led me to the compilation of the following tables and estimates, which may possess interest for my colleagues in the Institute, and which are here submitted without comment.

Jan 1, 1876

By Alfred F. Brainerd

HAVING had considerable practical experience in the management of colored mining labor in the South, I have thought a few observations upon its peculiarities might interest those not personally familiar with it. In mining, as in all other departments throughout the South, this class of labor is largely in excess of any other; and its characteristics need to be known and duly taken into consideration by those who may be charged with the conduct of southern enterprises. The colored laborers are fervently religious, intensely superstitious, improvident, and usually good natured and happy,—in a word, they are like children. That strong religious emotions do not involve necessarily a moral sense highly developed in the direction of ethics, is shown in the propensity of the colored population for chickenstealing, and in the brutal fights and other outbreaks of which they are not infrequeutly guilty, upon any slight provocation. It is only fair to say, however, that many individuals among them are in the highest degree steady and trustworthy. To one accustomed to seeing white miners at work in the middle, northern or western States, the colored miners seem somewhat slow and lazy. But their efficiency is greater than it appears to be. The almost tropical sun of midsummer beats upon their unprotected heads

Jan 1, 1886

For the year ending February, 1919 PRESIDENT SIDNEY .J. JENNINGS NEW YORK, N. Y. PAST PRESIDENTS L. D. RICKETTS, NEW YORK, N. Y. PHILIP N. MOORE, ST.Louis, Mo. FIRST VICE-PRESIDENT C. W. GOODALE BUTTE, MONT. TREASURER GEORGE C. STONE, : NEW YORK, N. Y. SECRETARY' EMERITUS ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON, NEW YORK, N. Y.

Jan 10, 1918

For the year ending February, 1919 PRESIDENT SIDNEY J. JENNINGS NEW YORK, N. Y. PAST PRESIDENTS L. D. RICKETTS NEW YORK, N. Y. PHILIP N. MOORE ST. Louis, Mo. FIRST VICE-PRESIDENT C. W. GOODALE BUTTE, MONT. TREASURER GEORGE D. BARRON NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 1, 1919