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By G. J. Lindenburg, T. L. Wilson

The Velvet uranium mine is located in the Big Indian district of the Colorado Plateau. The uranium ore body lies within the lower Triassic Chinle Formation, and the ore is associated with west-south- westerly trending fluvial sand systems. Exploration and mining are directed by longhole drilling and radiometric sampling. Results of the gamma probing, face scanning, and geologic mapping guide mining decisions and planning. Three people are directly involved with the geologic procedures: two geologists and a mine supervisor. The two geologists map, do rib scans, and direct longhole drilling. The third man involved, the mine supervisor, has last minute directive action based on shot hole probe data.

Jan 1, 1984

The Engineering Societies Building is owned by the United Engineering Society which is composed of the American Institute of Mining and Metallurgical Engineers, the American Society of Civil Engineers, the American Society of Mechanical Engineers, and the American Institute of Electrical Engineers, the four national engineering societies known as the Founder Societies. Its erection, and that of the Engineers Club which adjoins, was made possible through the generosity of Mr. Andrew Carnegie, Honorary Member, who in 1903 contributed $1,500,000 for the purpose. The Founder Societies purchased the land on which the Engineering Societies Building stands and the Engineers Club the land for its building.

Jan 1, 1923

New York Meets first Wednesday after first Tuesday of each month. DAVID H. BROWNE, Chairman. PERCY E. BARBOUR, Vice-Chairman A. D. BEERS, Secretary, 55 Wall St., New York, N. Y. C. A. BOHN, Treasurer. Boston Meets first Monday of each winter month. W. E. C. EUSTIS, Chairman. R. L. AGASSIZ, Vice-Chairman. E. E. BUGBEE, Secretary-Treasurer, Mass. Inst. of Technology, Boston, Mass. ALBERT SAUVEUR, H. L. SMYTH. Columbia Holds four sessions during year. Annual meeting in September or October. STANLY A. EASTON, -Chairman. FREDERIC KEFFER, Vice-Chairman. LYNDON K: ARMSTRONG, Secretary-Treasurer, P. O. Drawer 2154, Spokane, Wash. D. C. LIVINGSTON, FRANK A. ROSS.

Jan 7, 1916

"The Great Falls of the Missouri are situated about 12 miles below the City of Great Falls and development work for the utilization of the power which they afford is now in progress. The natural fall is about 77 feet.The development will consist of a concrete dam 1,000 feet long on the crest line, and 73 feet high. The power house will be set below the present falls near the north end and the tailrace will be cut below an island which is situated just below the falls. The maximum head will be 153 feet. The power house will contain six units of 15,000 horse power each. The construction as contemplated will comprise about 180,000 cubic yards of concrete work, using 200,000 barrels of cement."

Jan 1, 1913

Dues: Arrears........................................... $ 4.878.18 Current........................................... 96.174.46 New Members..................................... 6.281.50 Dues for future periods received in advance........... 1.745.28 $109.079.42 Initiation Fees.................................................. 7,879.00 Magazine Receipts: Advertising Gross Receipts.......................... $39,247.77 Magazine Sales.................................... 3,820.04 43.067.81 Sale of Transactions Volumes 75 and 76............; .... $ 2,525.93 Sale of Transactions and Special Editions............... 7,586.00 Sale of Year Book.................................... 141.60 Sale of Authors' Reprints............................. 2,032.97 Sale of Pamphlets.................................... 1,346.29 Sale of Bindings...................................... 4,551.90 18,184.69 Interest Received: On Bank Balance and Temporary Investments......... $ 2,780.75 On Life Membership Fund.......................... 2,106.43 On James Douglas Library Fund..................... 5,399.45 On General Reserve Fund........................... 1,995.33 12.381.96 Miscellaneous Receipts........................................... 131.16 Total Receipts................................................ $190,624.04

Jan 1, 1929

Organization Place _ Date 1919 American Iron and Steel Institute New York, N. Y. May National Fire Protection Association Ottawa Can. May 6-8 American Zinc Institute :.. St. Louis, Mo. May 12 American Association of Engineers Chicago, Ill. May 13-14 Natural Gas Association in America Cleveland, 0. May 20-23 American Institute of Electrical Engineers.... Lake Placid, N. Y. June 24-27 American Society for Testing Materials Atlantic City, N. J. June 24-27 American Institute of Min. and Met. Engineers Chicago, Ill. - Sept. 22-27 American Steel Treaters' Society, First Annual Convention Chicago, Ill. Sept. 22-27 National Safety Council Cleveland, U. Sept. 29-Oct. 2 American Foundrymen's Association Philadelphia, Pa. Sept. 29-Oct. 4 Institute of Metals Division, A. I. M. E Philadelphia, Pa. Sept. 29-Oct. 4 American Ry. Bridge and Building Association Cleveland, 0. Oct. 21-23 Geological Society of America Boston, Mass. Dec. 29-31

Jan 5, 1919

The Mining Engineering Society of the State College of Washington, Pullman, Wash., has elected the following officers for this semester: F. MASON, President, WILLIAM WHITE, Vice-President,. L. E. TRAEGER, Secretary and Treasurer. The Society holds meetings every two weeks at which papers on mining and metallurgical topics are presented by students and members, of the faculty. At the meeting of Oct. 25, Prof. H. R. Robbins gave an interesting talk upon the Rankin Process for the treatment of base-metal ores. In this process the metals are extracted by the use of nitric acid, the acid -being recovered almost entirely. Prof. Robbins thinks the process has great possibilities, but it has not yet been worked on a commercial scale. The Missouri Mining Association, the student organization at the Missouri School of Mines, Rolla, Mo., has. elected the following officers for the ensuing year: L. W. EHLERS, President, H. A. KLUGE, Treasurer, J. G. REILLY, Vice-President, N. E. RITTER, Secretary.

Jan 12, 1915

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;

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New Products Equipment

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