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Extractive Metallurgy Division - The Calbeck Process for Refining Zinc OxideBy O. J. Hassel, W. T. Maidens, J. H. Calbeck
The rotary gas fired reheating furnace used by the American Zinc Oxide Co. at Columbus, Ohio for Therotarygasfiredreheatingfurnacerefining lead-free zinc oxide is described. The outstanding features o
Jan 1, 1951
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Other Commodities - Carbon Dioxide Accumulation in Geologic Structures (T. P. 841, with discussion)By Charles Miller
Natural carbon dioxide has recently been exploited in the United States in consequence of oil and gas developments in the Western States and the growing demand by transcontinental and transoceanic shi
Jan 1, 1938
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Other Commodities - Carbon Dioxide Accumulation in Geologic Structures (T. P. 841, with discussion)By Charles Miller
Natural carbon dioxide has recently been exploited in the United States in consequence of oil and gas developments in the Western States and the growing demand by transcontinental and transoceanic shi
Jan 1, 1938
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San Francisco Paper - The Aztec Mine, Baldy, N. MexicoBy Douglas Muir, Chas. A. Chase
The Aztec mine is not widely known, by reason of its isolation and the relative insignificance of its tonnage; financially, however, it has an enviable record and geologically it is extremely interest
Jan 1, 1923
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San Francisco Paper - The Aztec Mine, Baldy, N. MexicoBy Douglas Muir, Chas. A. Chase
The Aztec mine is not widely known, by reason of its isolation and the relative insignificance of its tonnage; financially, however, it has an enviable record and geologically it is extremely interest
Jan 1, 1923
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Washington Paper - Hydrographic Investigations of the U. S. Geological Survey in their Relation to MiningBy F. H. Newell
In 1888 the United States Geological Survey began a systematic examination of the water-resources of the West, comparable in character and scope to the study of the deposits of ores or coal. As experi
Jan 1, 1901
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Electric Haulage Systems In Butte MinesBy C. D. Woodward
PRIOR to 1902, the tramming of ore from the stopes to the shafts, in the Butte mines, was done by man or animal power, but the demand for greater tonnage and the need for more improved methods of tram
Jan 2, 1922
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Papers - A Chemical Engineer Views the Steel Industry (With Discussion)By Charles F. Ramseyer
The manufacture of iron and steel is one of the largest of our industries; and in point of size of single plant and equipment certainly the biggest of all industries. By the general public it is gener
Jan 1, 1935
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Papers - A Chemical Engineer Views the Steel Industry (With Discussion)By Charles F. Ramseyer
The manufacture of iron and steel is one of the largest of our industries; and in point of size of single plant and equipment certainly the biggest of all industries. By the general public it is gener
Jan 1, 1935
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NEW Haven Paper - American Method of Treating by Distillation the Zinc-Silver-Lead Alloy obtained in the Desilverization of LeadBy A. Eilers
Although the process to which I refer in this paper has been in successful operation for nearly five years, during which time it has been introduced, superseding all other processes having in view the
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The Geological Features Of The Gold-Production Of North AmericaBy Waldemar Lindgren
CONTENTS. [ ] I. INTRODUCTION. THE precious metals, gold and silver, are the basis of the monetary systems of the world. It is, therefore, natural and inevitable that widespread interest should
Jan 1, 1913
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The Behaviour Of Yielded Rock In Tunnel DesignBy David Branch, Martin J. White, Faramarz P. Hassani
The work presented in this paper is part of an overall research programme into the problem of stability of main access roadways driven in Coal Measure strata. Data about the post-failure behaviour of
Jan 1, 1984
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The Development Of In Situ Processes For Energy and Fuels From CoalsBy Paul R. Wieber, Atam P. Sikri
This paper describes the U. S. Energy Research and Development Administration's (ERDA) program to develop in situ coal conversion processes, especially gasification. The potential of this technol
Jan 5, 1978
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Amenia Paper - The New Works at Clausthal for Dressing OresBy John C. F. Randolph
This establishment being now in full working order, it has seemed of considerable professional interest to collect together, in a concise form, the various points as to its plan, method of dressing, a
Jan 1, 1879
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New York Section War, Meeting On Ferro-AlloysThe third special war meeting of the New York Section was held on Thursday evening, Sept. 27, in joint session with the New York Section of the American Electrochemical Society, in conjunction with th
Jan 11, 1917
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Geostatistical Study Of Three Coal Deposits In The Western United StatesBy W. D. Grundy, Frances Wahl Pierce, Jean-Paul Marbeau, Carol Waite Conner
Resource and coal quality estimates of three coal deposits in the Western United States were estimated by kriging, a geostatistical method that yields unbiased estimates with maximum achievable precis
Jan 1, 1983
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The Human Element – Key To Profitable Computer Applications In MiningBy Alfred Weiss
Over the past 25 years hard-rock mining companies have developed a number of profitable computer applications which appear applicable to operations in the coal industry. The evolution of these applica
Jan 1, 1983
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Chattanooga Paper - Experiments with Bolts and Screw-ThreadsBy Major William R. King U. S. Engineer
My attention was drawn to this subject just twenty years ago this month, when I was detailed to rebuild one of the bridges in Richmond that had been burned during the evacuation. We took pos
Jan 1, 1886
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FluxesBy Frederick V. Lawrence
Broadly speaking, fluxes are substances which promote wetting and spreading or enhance the fluidity and manipulative properties of materials in joining, fusion, and smelting operations. The term most
Jan 1, 1975
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Proposed Amendment to By-LawsBy AIME AIME
FOLLOWING careful study of the relations of the Institute to students and the younger members of the profession, the Membership Committee recommended to the Board a change of plans abolishing the Juni
Jan 1, 1929