Information Circular1937 - Mines and mineral resources |
Common terms and phrases
adit assay average ball mill beds belt blasting Boss Tweed bottom Boulder brattice Bureau of Mines Calif capacity cars cinnabar Clark County clay coal compressor concentrate conveyor copper County Creek crosscut crushed crusher deposits district drift drill driven dump electrum elevation engine equipment Fairbanks-Morse feet long feet wide feldspar Figure fissure flotation flow sheet gneiss gold Goodsprings grizzly Gulch gypsum haulage hoist holes inches in diameter INFORMATION CIRCULAR kyanite Labor limestone loaded locomotive lode material mercury metal miles minerals motor Mount Isa Mountains operations oreshoots ounces oxidized percent pipe plant pounds production pump quartz Quicksilver Refg rock sample sand sandstone scheelite screen shaft shale shift shipped silica silver Skim slope smelter steel stopes sublevel sulphide surface tailing timber Tobacco Root Tobacco Root Mountains tons Total trommel trucks vanadium vein ventilation Virginia City width
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Page 23 - This label can be used only for returning official publications. The address must not be changed.
Page 22 - Preliminary account of Goldfield, Bullfrog, and other mining districts in southern Nevada, by FL Ransome, with notes on the Manhattan district, by GH Garrey and WH Emmons.
Page 17 - forecast" issued August 20, 1935, was officially styled Monthly Forecast No. 3 and bore the heading "Department of the Interior, United States Bureau of Mines, John W. Finch, Director." Similar headings have been used to date. To show you the close way in which these forecasts have endeavored to carry out a portion of the NRA plan I quote below the first two paragraphs of this third forecast which is styled "Forecast of motor-fuel demand and required crude-oil production by States...
Page 17 - ... 1 The Bureau of Mines will welcome reprinting of this paper, provided the following footnote acknowledgment is used : "Reprinted from US Bureau of Mines Information Circular 6955.
Page 1 - Bureau of Mines, Petroleum Refineries, including Cracking Plants in the United States...
Page 37 - ... 6971. Methods and Costs of Mining and Crushing Gypsum at the Mine of the Ebsary Gypsum Co., Inc., Wheatland, NY, by EJ Lintner.
Page 55 - Hewett, DF, and Webber, BN, Bedded deposits of manganese oxides near Las Vegas, Nevada : Nevada Univ.
Page 22 - The ultimate decision between a straight furnace reduction or concentration and roasting of concentrates will be a matter of comparative costs coupled with comparative extractions. The initial installation of a Scott fine-ore furnace unit is high (including condensers, etc., $1,000 per ton of capacity.
Page 9 - EW Marland of Oklahoma. A copy of this is also attached marked "Exhibit B." The third "forecast" issued August 20, 1935, was officially styled Monthly Forecast No. 3 and bore the heading "Department of the Interior, United States Bureau of Mines, John W. Finch, Director." Similar headings have been used to date. To show you the close way in which these forecasts have endeavored to carry out a portion of the NRA plan I quote below the first two paragraphs of this third forecast which is styled "Forecast...