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Jan 1, 1913

Jan 1, 1933

Jan 1, 1964

Jan 1, 1968

Jan 1, 1967

By Edwin M. Chance

EDWIN M. CHANCE, Wilkes-Barre, Pa. (communication to the Secretary*).-I have read with great interest Mr.. Liebermann's paper reporting dynamometer tests of mine cars and wish to express my appreciation of this investigation. The coal-mining industry needs just such precise study of the problems with which it is confronted.

Jan 10, 1916

Jan 1, 1967

Map

Jan 1, 1941

Jan 1, 1891

Jan 1, 1967

Jan 1, 1969

University of Alabama University, Alabama Mining and Metallurgical Society WILLIAM R. HIGGS, President ROBERT E. MEAD, Secretary J. R. CUDWORTH, Faculty Sponsor MILTON H. FIBS, Counselor University of Arizona Tucson, Arizona Miners' Society LEE BLESSING, President R. W. CORY, Secretary E. P. MATHEWSON, Faculty Sponsor B. R. HATCHER, Counselor University of California at Los Angeles Los Angeles, California Student Chapter, A.I.M.E. ARCHER WARNE, President ROBERT JOHNSTON, Secretary E. K. SOPER, Faculty Sponsor EMILE HUGUENIN, Counselor Colorado School of Mines Golden, Colorado Student Chapter, A.I.M.E. J. Ross REED, President ANDREW PERRY, JR., Secretary J. BURNS READ, Faculty Sponsor A. W. NEWBERRY, Counselor

Jan 1, 1936

Jan 1, 1963

Jan 1, 1971

Jan 1, 1969

The only technical session on Thursday was a continuation of the Symposium on Pyrometry. The members not attending the symposium -made the trip to La Salle. They were welcomed by the Mayor, to whose speech Major Arthur S. Dwight briefly responded. After luncheon the party divided and was taken by automobile to the various chosen points of interest, such as the cement works, the various zinc smelters, the coal mines, and underground cement-rock mines, where underground steam shovels were operating, etc. A special scenic trip was arranged for the ladies. The party returned by special train to Chicago, arriving at 7:30. Those desiring to visit the coal mines at Franklin and Macoupin Coun-ties left by train that evening on a special car for Benton, and were piloted through the field by Mr. Putnam, superintendent of the Old Ben Coal Corpn., Mr. Carroll, assistant general superintendent of the Chicago, Wilmington & Franklin Coal Co., and Carl Scholz, general manager of the Vallier Coal Co. Through the courtesy of the various railroads the visitors were furnished a special coach which took them to the various mines with the least delay and enabled them to see more than would be otherwise possible. Mines 8 and 9 of the Old Ben Coal Corpn., at West Frankfort, were first visited; thence the party proceeded to Orient mine of the Chicago; Wilmington & Franklin Coal Co., where luncheon was served, and then proceeded to Vallier, where both the top and the under-ground workings were inspected. The party returned to. Benton and from there proceeded in automobiles to inspect the washery plant of the United States Fuel Co. at that point; and boarded the train reaching Chicago Saturday morning. Several left Benton for their homes without returning to Chicago.

Jan 11, 1919

By W. S. Keyes

The State of Nevada, known par excellence as " the Silver State," occupies the major portion of the wide plateau, or so-called Great Basin, lying between the Sierra Nevada range on the west and the Wahsatch range of the Rocky Mountains on the east. It extends from the 114th degree to the 120th degree of longitude, west of Greenwich. It is limited, on the north, by the 42d degree of latitude, and on the extreme south by the 35th degree of latitude. Its general shape is that of an irregular parallelogram, from which the lower or southwestern portion has been cut off by a diagonal southeasterly line; the missing portion forms a part of the State of California on the west. The Great Basin is made up of a succession of low hills, or minor mountain ranges, running very nearly north and south, with long valleys between them. All of these mountains are more or less metalliferous. On the westcrn rim, marking the eastern flank or foothills of the Sierra, we find granites, porphyries, and propylites. Here we note the great Comstock lode, with its free-milling gold and silver ores, and still further south the once prominent and the now reviving gold and silver-bearing districts of Esmeralda County, Nevada, and of Morro County, California. Next, at some distance to the east, we find the mining districts at and near Unionville, in Humboldt County. Still further to the east we find the Battle Mountain copper-silver district, north from the railroad, and southerly therefrom the Austin or Reese Ever, Belmont, and other districts. Still further east and north of the railroad, we find the Tuscarora, a new district of very

Jan 1, 1879