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The June meeting was held on June 27, 1919, at 9.00 P.M., eight Directors, the Secretary and Assistant Secretary of the Institute, and eleven guests were present. An invitation was extended to Herbert C. Hoover to be a guest on his arrival in the United States. The President was authorized to appoint a committee to obtain a portrait of Herbert C. Hoover. The announcement was made of the receipt of $100,000 from the bequest of Dr. James Douglas, and the Finance Committee was authorized to invest this money and devote the income to the support and maintenance of the Library. The price of the Year Book was established at $2.00. S. A. Taylor was appointed delegate from the Institute to attend the dedication of the buildings of the Bureau of Mines at Pittsburgh. The President was authorized to appoint a committee to confer with the Development Committees of the other Founder Societies. Reports of the Treasurer and Finance Committee were presented and ordered filed.

Jan 8, 1919

(Members are urged to send in for this column any notes of interest concerning themselves or their fellow-members..) Members and guests who registered at institute headquarters during the period Dec. 10, 1915 to Jan. 10, 1916: A. R. Fletcher, Palo Alto, Cal. H. L. Hollis, Chicago, Ill. R. G. Hall,. St. Louis, Mo. Howland Bancroft, Denver, Colo. Walter E. Koch, Terlingua, Tex. G. D. B. Turner, Butte, Mont. George A. Macready, Searchlight, Nev. H. A. Wheeler, St. Louis, Mo. H. W. Edmondson, Concheno, Chili., Mex. George B. Rodgers, St. Francois, Mo. Arthur F. Taggart, New Haven, Conn. Paul S. King, Wilmington, Del. H. V. Winchell, Minneapolis, Minn. G. H. Clevenger, Palo Alto, Cal. Frank A. Ross, Spokane, Wash. J. W. Beard, Syracuse, N. Y. W. D. B. Motter, Jr., Benson Mines, N. Y. Albert De Deken, Louvain, Belgium. S. Le Fevre, Forest Glen, N. Y.. James H. Smith, Jr., Mount Carmel, Pa. E. H. Hamilton, formerly manager of the Virginia Smelting Co., West Norfolk, Va., has become consulting metallurgist to the Consolidated Mining and Smelting Co., of Canada, Ltd., Trail, British Columbia.

Jan 2, 1916

By R. S. Shoemaker, F. W. McQuiston

BENGUET EXPLORATION, Inc. Tuba, Benguet, Philippines 1970 Operating Data ORE DESCRIPTION: Complex ore mostly sulfides and composed mainly of sphalerite and pyrite with minor amounts of chalcopyrite, galena, arsenopyrite, hematite, magnetite, chlorite, calcite, garnet and quartz. TYPE OF MINE: Underground, cut and fill method ORE HAULAGE TO MILL: Mine rail cars with electric locomotives. CAPACITY in TONS/24 HRS: 130 ASSAYS: Mill Heads Mill Tails Au = 0.65 oz per ton Au = 0.096 oz per ton Cu = 0.75% CU = 0.27 % Zn = 10.50 % Zn = 0.64 % Ag = 3.20 oz per ton Ag = 0.33 oz per ton Cd = 0.01 % PRODUCT: Au, Ag, Cu, Zn and Cd RECOVERIES: = 90% ~g = 89% Cu = 60% Zn = 94% SCREEN ANALYSIS OF MILL FEED: 90% -200 mesh POWER: Grinding 25.4 Kwh/T Copper Flotation 14.5 Zinc Flotation 13.3 Cyanidation 20.4 Others 25.0 TOTAL POWER: 98.6 KwH/T WATER: Pumped from riverside and underground 50 to 100 meters distance. Consumption of about 700 gallons per ton of new water.

Jan 1, 1975

NEW MEMBERS The following list comprises the names of those persons who became members during the period Feb. 10, 1919, to Mar. 10, 1919. ALLEN, ROLLAND CRATEN State Geol., Appraiser of Mines, Lansing, Mich. ALTMAYER, MAURICE ERNEST, Ingenieur des Arts et Manufactures, 145 Rue de la Pompe, Paris, France. AUSTIN, CHARLES L., Assayer, Highland Boy Mine, Utah Cons. Min. Co., Bingham Canyon, Utah. BARTLETT, ARTHUR J., Chief Engr., Louisville Coal & Coke Co. Goodwill, W. Va. BOIES, ORLOW W., Research Chem., Roessler & Hasslacher Chemical Co., 1632 Tenth St., Niagara Falls, N. Y. BRAGG, G. A., Mgr., Experimental Copper Leaching Plant, Mellon Inst. of Industrial Research, Thompson, Nev. BRUSCANTINI, GIOVANNI, Min. Engr., Gen'l Mgr., Sindicato Minero de Cuba, Box 370, Santiago, Cuba. COLONY, R. J Instructor in Geol., Columbia University, New York, N. Y. DAVENPORT, FRANK B., Cons. Engr., 806 Coal Exchange Bldg., WiIkes-Barre, Pa. EATON, S. FORD 120 E. 85th St., New York, N. Y. EBY, J. H., Min. Engr Box 433, Spokane, Wash. ENGELHARDT, EDWARD A., Mgr., Surinaamsche Bauxite Mij, Paramaribo, Dutch Guiana, S. A.

Jan 4, 1919

West Virginia Geological Survey Morgantown, W. Va James D. Sisler, State Geologist. Of great importance among the publications of this Survey have been the volumes of Detailed Reports on the counties of the state These volumes take up in detail the geology, topography, soils and resources of the areas under consideration; they are profusely illustrated and each carries topographic and geologic maps Detailed Reports are available for areas as follows: Marshall, Wetzel and Tyler counties (1911) $3, Wirt, Roane and Calhoun counties (1911), $2 50, Jackson, Mason and Putnam counties (1911), $2, Cabell, Wayne and Lincoln counties (1912), $2 50, Doddridge and Harrison counties (1912), $2 50, Monongaha, Marion and Taylor counties (1913), $2 50, Kanawha County (1914), $2 50; Preston County (1914), $2, Logan and Mmgo counties (1915),12 50, Boone County (1915), $2, Wyoming and McDowell counties (1915), $2 50, Lewis and Gilmer counties (1916), $2 50; Raleigh County, Summers west of New River, and the coal area of Mercer County (1916), $2 50, Jefferson, Berkely and Morgan counties (1916), $2 50, Braxton and Clay counties (1917), $2 50; Barber and Upshur counties, and western Randolph County (1918), $3; Fayette County (1919), $3 25;

Jan 1, 1933

There were present eleven Directors, the Secretary and Assistant Secretary of the Institute, and eleven guests. The Secretary, Bradley Stoughton, was appointed the representative of the Institute on the Board of. Directors of the American Bureau of Welding. A communication from a member of the Institute regarding simplified spelling was laid on the table. The following appropriations were made for the year. 1919: $250 to the Institute of Metals Division, $250 to the St. Louis Section, $100 to the Columbia Section. An invitation was received from the Western Society of Engineers to the Institute to use the facilities of that society during the A. I. M. E. Meeting in Chicago. The Bulletin of the Institute was presented to the French Congress of Engineers. There were elected twenty-eight members, eighteen associates, and three junior associates. The status of one member was changed from junior associate to associate. Four members were reinstated. An extension of time was granted to one member for payment of dues. The dues of four members on active military duty were suspended. Dues were remitted of four members who have been paying over thirty years, and who are each over seventy years of age.

Jan 5, 1919

By R. Neilson Clark

The discovery of a thin pay streak, yielding carbonates of copper; native silver, and perhaps chloride of silver, was made on the 9th of April, 1874, within the trachytic belt which forms part of the Sierra Mojada. The discoverer named it the Humboldt Mine. On the 2d of May, 1874, another discovery was made, in a northwest direction from the Humboldt, at about five hundred feet distant, this was named the Pocahontas Mine. After some exploration these two discoveries were proven to be on the same vein. To the southeast of the Humboldt a claim had already been taken up, called the Virginia; and to the northwest of the Pocahontas, one called the Southeast Leviathan. On these' last two this same vein has been found and worked. This paper will therefore treat of the Humboldt-Pocahontas vein, as worked on these four claims, to wit: beginning at the northwest, the Southeast Leviathan, the Pocahontas, the Humboldt, and the Virginia claims. Since the spring of 1874, there has been sunk on this vein a total of twenty-seven hundred and fourteen feet of

Jan 1, 1879

By R. Neilson Clark

THE discovery of a thin pay streak, yielding carbonates of copper, native silver, and perhaps chloride of silver, was made on the 9th of April, 1874, within the trachytic belt which forms part of the Sierra Mojada. The discoverer named it the Humboldt Mine. On the 2d of May, 1874, another discovery was made, in a northwest direction from the Humboldt, at about five hundred feet distant, this was named the Pocahontas Mine. After some exploration these two discoveries were proven to be on the same vein. To the southeast of the Humboldt a claim had already been taken up, called the Virginia; and to the northwest of the Pocahontas, one called the Southeast Leviathan. On these last two this same vein has been found and worked. This paper will therefore treat of the Humboldt-Pocahontas vein, as worked on these four claims, to wit: beginning at the northwest, the Southeast Leviathan, the Pocahontas, the Humboldt, and the Virginia claims. Since the spring of 1874, there has been sunk on this vein a total of twenty-seven hundred and fourteen feet of

Jan 1, 1879

(Members are urged to send in for this column any notes of interest concerning themselves or their fellow-members.) Members and guests who called at Institute headquarters during the period Apr. 10, 1916; to May 10, 1916: Philip P. Baily, New York, N. Y. George W. Otterson Seattle, Wash. John M. Brooks, Jr., Knoxville, Tenn. C. Q. Payne, New York, N. Y. C. A. Burdick, New York, N. Y. Charles F. Potter, Los Angeles, Cal. W. N. Crafts, Oberlin, Ohio. Albert E. Rhoads, Harrisburg, Pa. Andrew B. Crichton, Johnstown, Pa. M. F. Sayre, Schenectady, N. Y. 0. P. Hood, Pittsburgh, Pa. H. V. Smythe, Northpines, Ont., Canada. W. McA. Johnson, Tulsa Okla. W. 0. Snelling, Long Island City, N. Y. G. H. Morgan, New York, N. Y. W. H. Staver, Ophir, Colo. E. G. Norton, Chicago Ill., A. W. Tucker, Salisbury, N. C. M. L. O'Neale, Coal City, Ala. Andrew Weisenburg, Philadelphia, Pa. Arthur H. Brown has resigned his position with the Dome Lake Mining & Milling Co., South Porcupine, Ont., Canada. Robert Sterling has resigned his position as chief engineer of the Goldfield Consolidated Mines Co., Goldfield, Nev., to accept the position of assistant manager of the vanadium mines of the Primos Chemical Co., Vanadium, Colo.

Jan 6, 1916

The Institute assembled in the rooms of the Geographical Society, Cooper Union, at 8 o'clock P.M., February Nth, 1874. President Barnard, of Columbia College, delivered an address of Welcome, to which President Raymond responded. The Council then presented the following names, duly indorsed for election as members and associates. The gentlemen named were unanimously elected. *Bullock, M. C.,. ., . New York. Burke, M. D.,.... Cincinnati, Ohio. *Burt, M. W.,.....Wheeling, W. Va. Cameron, J. G. M.,. ..'New York. *Canfield, Frederick A,,. .. Dover, N. J. *Chandler, Prof. C. F.,. .. New York. *Clayton, J. E.,. .. . Salt Lake City. Colton, C. A,,.... New York. *Cooke, Prof. George H.,. . New Brunswick, N. J. *Cooper, Edward,.... New York. "Dahlgren, C. B.,.... Mazatlan, Mexico. Dutton, Capt. U. E.,. .. Washington, D. C. *Eurich, E. F.,.... New York. Fuller, H. L.,.... Woodside, Luzerne County, Pa. Hamilton, S. Jr.,.....New York: Harnickell, A,,.,.. New York. *Hearne, F. J.,. .. . Wheeling, W. Va. *Hill, Samuel W.,.... Marshall, Mich. *Hulbert, Edward J.,. . Houghton, Mich. *Hunt, R. W.,.....Troy, N. Y. Ihlseng, M.,.....New York. "Iselin, Henri,.... New York. *Janney, Morris P.,. ..Pottstown, Pa. "Jenney, Frank B.,. .. . Brooklyn, N. Y. *Jenney, Walter P.,... Brooklyn, N. Y. Joy, D. A.,.....New York. *King, Clarence,.... New York. *Kittoe, E. F.,....Charleston, S. C. Lawrence, Robert,.... New York. *Locke, J. M.,..... Cincinnati, Ohio. *McCormick, Henry,. .. Harrisburg, Pa.

THE Institute assembled in the rooms of the Geographical Society, Cooper Union, at 8 o'clock P.M., February 24th, 1874. President Barnard, of Columbia College, delivered an address of welcome, to which President Raymond responded. The Council then presented the following names, duly indorsed for election as members and associates. The gentlemen named were unanimously elected. *Bullock, M. C., - New York. †Burke, M. D., - Cincinnati, Ohio. *Burt, M. W., -Wheeling, W. Va. †Cameron, J. G. M., - New York. *Canfleld, Frederick A., - Dover, N. J. *Chandler, Prof. C. F., - New York. *Clayton, J. E., - Salt Lake City. †Colton, C. A., - New York. *Cooke, Prof. George H., - New Brunswick, N. J. *Cooper, Edward, - New York. *Dahlgren, C. B., - Mazatlan, Mexico. †Dutton, Capt. C. E., - Washington, D. C. *Eurich, E. F., - New York. †Fuller, H. L., - Woodside, Luzerne County, Pa. †Hamilton, S. Jr., - New York †Harnickell, A., - New York. *Hearne, F. J., - Wheeling, W. Va. *Hill, Samuel W., - Marshall, Mich. *Hulbert, Edward J., - Houghton, Mich. *Hunt, R. W., - Troy, N. Y. †lhlseng, M., - New York. *Iselin, Henri, - New York. *Janney, Morris P., - Pottstown, Pa. *Jenney, Frank B., - Brooklyn, N. Y. *Jenney, Walter P., - Brooklyn, N. Y. †Joy, D. A., - New York. *King, Clarence, - New York. *Kittoe, E. F., - Charleston, S. C. †Lawrence, Robert,. - New York. *Locke, J. M., - Cincinnati, Ohio. *McCormick, Henry, - Harrisburg, Pa. * Members. † Associates.

Jan 1, 1874

By Samuel S. Wyer

The following abbreviations hare been used in the text: Am. Mfr. and Iron World. American Manufacturer and Iron World, Pittsburg, Pa. Can. Min. Rez;. Canadian Mininy Review, Ottawa, Can. Cuss. Mag. Cassier's Mayazine, New York, N. Y. Col. Eng. Colliery Engineer, Scranton, Pa. Col. Guard. Colliery Guardian, London, Eog. Eng. and Min. Jour. Engineering and Mining Journal, New York, N. Y. Eng. News. Engineering News, New York, N. Y. Engr. Engineering, London, Eng. J. I. and 8. I. Journal of the Iron and Steel Institute, London, Eng. Jour. W. Soc. of Engrs. Journal Western Society of Engineers, Chicago, Ill. Lond. Eng. The Engineer, London, Eng. Mines and Min. Mines and Minerals, Scranton, Pa. North of Eng. I. M. E. North of England Institute of Mining Engineers, Newcastle-on-Tyne, England. Oester. Zeitsch f. Berg u. Hüt. Oesterreichische Zeitschrift für Berg-und Hittenwesen, Vienna, Austria. Pract. Engr. Practical Engineer, London, Eng. Proc. I. C! E. Proceedings Institution of Civil Engineers, London, Eng. Trans. A. I. M. E. Transactions American Institute of Mining Engineers, New York, N. Y. Trans. A. S. M. E. Transactions American Society Mechanical Engineers, New York, N. I!. Duns. Fed. I. M. E, Transuctions Federated Institute Mining Engineers, Newcastle-on-Tgne, England. Trans. L 31. E. Transactions Institute Mining Engineers, Newcastle-on-Tyne, England.

Jan 1, 1907

Jan 1, 1924

Jan 1, 1924

September 1 to 6, 1918 COMMITTEE IN CHARGE Spencer Penrose, Chairman. George M. Taylor, Vice-Chairman. A. E. Carlton, Chairman. Finance Committee J. Dawson Hawkins, Secretary DENVER COLORADO SPRINGS CRIPPLE CREEK Finance Finance Thomas B. Crowe T. B. Stearns A. E. Canton , E. P. Arthur, Jr. Richard A. Parker Spencer Penrose N. S. Greensfelder T. B. Burbridge George M. Taylor A. E. Carlton. A. L. Blomfield, Treasurer B. F. Hill Arrangement I F. G. Willis Dave G. Miller Registration Norris E. Eads Frank Bulkley Loren C. Lennox 1V. E. Ryan Geo. E. Collins Horace F. Lunt Fred Jones .1. M. Tippett F. D. Smale Entertainment J. H. Haynes F. H. Bostwick Arrangement and Entertainment L. W. Lennox F. E. Shepard George M. Taylor A. L. Blomfield M. R.. Valentine Howland Bancroft J. D. Hawkins Thomas B. Crowe B. P. Morse A. E. Carlton E. P. Arthur J. G. Perry G. H. Clevenger Etienne A. Ritter Ladies Ladies , PUEBLO Mrs. T. B. Stearns, Mrs. C. M. Taylor, Mrs. C. H. Clevenger J. F. Welborn Chairman. Chairman H. B. Carpenter Mrs. C. Loughridge Mrs. S.-Penrose Mrs. A. E. Carlton L. B. Eames Mrs. H. Bancroft Mrs. J. D. Hawkins Mrs. A. L. Blomfield F. Robinson Mrs. G. Bancroft Mrs. L. C. Lennox Mrs. J. M. Tippett . Mrs. W. D. Leonard Mrs. H. F. Lunt -Mrs. E. C. van Diest Mrs. C. Chase Mrs. E. A. Ritter Mrs. AV. Strieby Mrs. F. H. Bostwick Mrs. L. S. Harner Mrs. C. L. Bailey Mrs. F. Bulkley Miss F. Dickerman Mrs. E. P. Shove Mrs. C. L. Tutt Mrs. F. C. Peck Mrs. F. D. Pastorius

Jan 10, 1918

Jan 1, 1919

Jan 1, 1917

Jan 1, 1928

Jan 1, 1907

Jan 1, 1890