Proceedings of the Lake Superior Mining Institute, Volume 21 (Google eBook)

Front Cover
The Institute., 1917 - Copper mines and mining
0 Reviews
  

What people are saying - Write a review

We haven't found any reviews in the usual places.

Common terms and phrases

Popular passages

Page 2 - All vacancies shall be filled by the appointment of the Council, and any person so appointed shall hold office for the...
Page 1 - Institute are, to promote the arts and sciences connected with the economical production of the useful minerals and metals in the Lake Superior region, .and the welfare of those employed in these industries, by means of meetings for social intercourse, by excursions, and by the reading .and discussion of practical and professional papers, and to circulate, by means of publications among its members, the information thus •obtained.
Page xxv - Additional Pumping Data, Cleveland Iron Mining Co., by FP Mills 63 The New Pumping Plant of the Stirling Iron & Zinc Co., New Jersey (including results of an official duty test), by J. Parke Channing 64 The Hoisting Plant of the Lake Mine, Cleveland Iron Mining Company, by JM Vickers , 69 Page. The Relation of the Vein at the Central Mine, Keweenaw Point, to the Kearsarge Conglomerate...
Page 1 - ENGINEERS are to promote the arts and sciences connected with the economical production of the useful minerals and metals, and the welfare of those employed in these industries, by means of meetings for social intercourse, and the reading and discussion of professional papers, and to circulate, by means of publications among its members and associates, the information thus obtained.
Page 152 - safety fuze" means a fuze for blasting which burns and does not explode, and which does not contain its own means of ignition, and which is of such strength and construction, and contains an explosive in such quantity that the burning of such fuze will not communicate laterally with other like fuzes.
Page 3 - ... either mailing it to the secretary, or presenting it in person at the annual meeting. In case nominations are not made thirty days prior to the date of the annual meeting for all the offices becoming vacant under the rules, nominations for such offices may be made at the said meeting by five members not in arrears, and an election held by a written or printed ballot. The ballots in either case shall be received and examined by three tellers appointed at the annual meeting by the presiding officer;...
Page xxvi - A Comparison of the Origin and Development of the Iron Ores of , the Mesabi and Gogebic Ranges, by CK Leith 75 Efficiency Test of a Nordberg Air Compressor at the Burra-Burra Mine of the Tennessee Copper Co., by J.
Page 245 - If a mine is located near the quartzite outcrop, most of the upper horizons will have been eroded away, and as the mine location approaches the Virginia slate outcrop more of the upper layers will be found in the orebody. RELATION OF OREBODIES TO FOLDING AND FRACTURING OF THE IRON-FORMATION. In the Engineering and Mining Journal articles above referred to, the author stated that the data then at hand indicated that the orebodies have formed in places where gentle folding and warping of the iron-formation...
Page 4 - Any member may read a paper at any regular meeting of the Institute, provided the same shall have 'been submitted to and approved by the Council, or a committee duly authorized by it for that purpose prior to such meeting. All papers shall become the property of the Institute on their acceptance, and, with the discussion thereon, shall subsequently be published for distribution. The number, form and distribution of all publications shall be under the control of the Council. The Institute is not,...
Page 3 - ... signing said altered or prepared ballot with his name, and either mailing it to the Secretary, or presenting it in person at the annual meeting : Provided, that no member or associate, in arrears since the last annual meeting, shall be allowed to vote until the said arrears shall have been paid. The ballots...

Bibliographic information