Continuación de la obra titulada Título de propiedad de los minerales de la región aurífera de Tacuarembó y de la zona cuprífera de Yucutujá del Departamento del Salto é historia (comprobada científica y judicialmente) de la riqueza y trabajos realizados en bien de la región y zona aludidas
... compra - venta , recibo y enajenacion de toda clase de quarzos minerales y productos , y hacer el ne- gocio de comerciantes , ya sea como principales o agentes , incluso hacer adelantos de dinero . ( f ) Erigir , construir , arrendar ó ...
The Copper Deposits of the Seven Devils and Adjacent Districts (including Heath, Hornet Creek, Hoodoo, and Deer Creek
... feet and averages from 35 to 40 feet deep . There is about 22 feet of cover ... gold is coarse ( from flax to wheat grains ) , well rounded and easily saved ... three feet , with no gold occurring more than two feet above bedrock . In the ...
Mining Method and Costs at the Utah Copper Co., Bingham Canyon, Utah
... stripping Grade of ore , per cent 0.6 .644 .688 .732 .776 .820 0.5 1 1.5 2.5 223 From the foregoing tables , graphs ... stripping ratio has been determined . Dividends , of course , can not be paid on a grade of ore at or near the point ...
Report on the Geology and Topography of a Portion of the Lake Superior Land District in the State of Michigan,: Copper lands
John Wells Foster, Josiah Dwight Whitney. List mineral lands between Portage lake and Montreal river - Continued . Section . Part . Township Range north . west . 16 21 29 30 31 22222222222-248 - TIER 16 S .. All ... 21 NW ... SW . 5555 ...
Report on the Geology and Topography of a Portion of the Lake Superior Land District in the State of Michigan: The iron region, together with the general geology
... mile . - Another coarse - grained stratum , which occurs in these bluffs , was ob- served to sink at the rate of thirty feet in the distance of one ... one foot in one ... under Dr. Owen , near the Wolf river , ( town- ship 22 N. , range 16 E ...
... Y.B. ) Northern Rhodesia Mines ' African Police Association , The : ( see " Employee Organisations " ) Northern ... Training School , 17. ( 1957 Y.B. ) M Malaria Incidence , 19. ( 1957 Y.B. ) Medical Facilities , European and African ...
Guidebook of the Western United States: Part F. The Southern Pacific Lines, New Orleans to Los Angeles
... Esper Signius Larson. bal dever been very successful . Two types of lode ... free and also combined with the sulphides . The gangue is predominantly ... genesis of the ores is closely associated with the origin of the dies , as both ores ...
Chemical Reactions Controllin[g] Copper Transport: Statement of Results
Following the Trail of the I.W.W.: A First-hand Investigation Into Labor Troubles in the West, a Trip Into the Copper and Lumber Camps of the Inland Empire with the Views of the Men on the Job
... 33,000,000 , - 1000. ' " This would standardize prices and production , and make it possible to stand- ardize wages and living conditions . Ir the Government said , ' No more night work , and an eight - hour day , ' it would be the best ...
Lessons from the Granite Mountain Shaft Fire, Butte
![Chemical Reactions Controllin[g] Copper Transport: Statement of Results](/images/gSP5HAAACAAJ.jfif)
