Silver and Gold: an Account of the Mining and Metallurgical Industry of the United States: With Reference Chiefly to the Precious MetalsJ.B. Ford and Company, 1873 - 566 sider |
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Resultat 1-5 av 93
Side 17
... Average yield of ore in mill , $ 18.60 . Wastage after complete washing , including concentrating - silver , $ 3.14 ; gold , $ 10.04 ; total , $ 13.18 . Test No. 2. Same mill - tailings 350 feet from mill : silver , $ 3.93 ; gold ...
... Average yield of ore in mill , $ 18.60 . Wastage after complete washing , including concentrating - silver , $ 3.14 ; gold , $ 10.04 ; total , $ 13.18 . Test No. 2. Same mill - tailings 350 feet from mill : silver , $ 3.93 ; gold ...
Side 18
... average assays , sample again as before . Get 3 or 5 assays from reliable assayers , average the assays . Work your ore by your mill process ; compare the results with assays ; and in nine cases out of ten every one will find he ...
... average assays , sample again as before . Get 3 or 5 assays from reliable assayers , average the assays . Work your ore by your mill process ; compare the results with assays ; and in nine cases out of ten every one will find he ...
Side 33
... average amount of ore which it is claimed can be crushed in a day ( of 24 hours ) is 23 tons with a No. 6 slot screen , and the average consumption of fuel is about one cord of wood to 10 tons of ore . As instances of its capacity we ...
... average amount of ore which it is claimed can be crushed in a day ( of 24 hours ) is 23 tons with a No. 6 slot screen , and the average consumption of fuel is about one cord of wood to 10 tons of ore . As instances of its capacity we ...
Side 53
... average about one hundred feet in thickness and prospects largely from top to bottom , several pan tests having shown the extraordinary average of three to five cents to the pan . The company are now build- ing a ditch , taking the ...
... average about one hundred feet in thickness and prospects largely from top to bottom , several pan tests having shown the extraordinary average of three to five cents to the pan . The company are now build- ing a ditch , taking the ...
Side 62
... average of $ 30 per ton exclusive of sulphurets . The Golden Rule , near Poverty Hill , is owned by a San Francisco com- pany . Their mill of 15 stamps is run by water - power , ( 50 - foot wheel , ) and will crush 15 tons per day ( 24 ...
... average of $ 30 per ton exclusive of sulphurets . The Golden Rule , near Poverty Hill , is owned by a San Francisco com- pany . Their mill of 15 stamps is run by water - power , ( 50 - foot wheel , ) and will crush 15 tons per day ( 24 ...
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Silver and Gold: An Account of the Mining and Metallurgical Industries of ... Rossiter Worthington Raymond Uten tilgangsbegrensning - 1876 |
Silver and Gold: an Account of the Mining and Metallurgical Industry of the ... Rossiter Worthington Raymond Uten tilgangsbegrensning - 1873 |
Silver and Gold: An Account of the Mining and Metallurgical Industry of the ... Rossiter Worthington Raymond Uten tilgangsbegrensning - 1873 |
Vanlige uttrykk og setninger
50 feet amalgam amount antimony arrastra assay average Bannack base bullion bed-rock bullion Calaveras County California Cañon carbonate cent chemical claim coal commenced company's contains copper cost County course Creek Cupellation December deposits depth developed discovery district drift drill east El Dorado County engine erected Eureka expense extracted feet deep feet in length feet long feet wide furnace galena gangue gold Gold Hill gravel ground Gulch Hill hundred hydraulic inches incline iron labor lead ledge limestone located lode metal metallurgy miles mill miners Mining Company months nearly Nevada opened operations ounces owners placer mines pounds present Professor prospecting quantity quartz quartzite rich River rock San Francisco silver slag slate smelting smelting-works stamps stopes sulphurets sunk supply surface Table Mountain tailings thick tion tons Total tunnel Tuolumne County tuyeres Valley vein width yield
Populære avsnitt
Side 455 - States governing their possessory title, shall have the exclusive right of possession and enjoyment of all the surface included within the lines of their locations, and of all veins, lodes, and ledges throughout their entire depth, the top or apex of which lies inside of such surface lines extended downward vertically, although such veins, lodes, or ledges may so far depart from a perpendicular in their course downward as to extend outside the vertical side lines of such surface locations.
Side 454 - ... no location of a mining claim shall be made until the discovery of the vein or lode within the limits of the claim located.
Side 454 - No claim shall extend more than three hundred feet on each side of the middle of the vein at the surface, nor shall any claim be limited by any mining regulation to less than twenty-five feet on each side of the middle of the vein at the surface, except where adverse rights existing on the tenth day of May, eighteen hundred and seventytwo, render such limitation necessary.
Side 455 - May, eighteen hundred and seventy-two, and until a patent has been issued therefor, not less than one hundred dollars' worth of labor shall be performed or improvements made during each year. On all claims located prior to the tenth day of May, eighteen hundred and seventy-two, ten dollars...
Side 456 - Surveyor-General that five hundred dollars' worth of labor has been expended or improvements made upon the claim by himself or grantors; that the plat is correct, with such further description by such reference to natural objects or permanent monuments as shall identify the claim, and furnish an accurate description, to be incorporated in the patent. At the expiration of the sixty days of publication the claimant shall file his affidavit, showing that the plat and notice have been posted in a conspicuous...
Side 458 - An act granting the right of way to ditch and canal owners over the public lands, and for other purposes...
Side 457 - ... separate and different portions of the claim, each party may pay for his portion of the claim, with the proper fees, and file the certificate and description by the...
Side 458 - ... which does not include an application for the vein or lode claim shall be construed as a conclusive declaration that the claimant of the...
Side 456 - If no adverse claim shall have been filed with the register and the receiver of the proper land office at the expiration of the sixty days of publication, it shall be assumed that the applicant is entitled to a patent...
Side 454 - All valuable mineral deposits in lands belonging to the United States, both surveyed and unsurveyed, are hereby declared to be free and open to exploration and purchase...