Statistics of Mines and Mining in the States and Territories West of the Rocky Mountains, Том 3U.S. Government Printing Office, 1872 |
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Страница 25
... reduction works . Forty feet below the outcrop an average sample of the vein , here 30 feet wide , was taken re- gardless of waste , and $ 36 23 in silver per ton was obtained , and 87 feet below the outcrop the vein , 20 feet wide ...
... reduction works . Forty feet below the outcrop an average sample of the vein , here 30 feet wide , was taken re- gardless of waste , and $ 36 23 in silver per ton was obtained , and 87 feet below the outcrop the vein , 20 feet wide ...
Страница 26
... reduced as soon as the mines are opened in a systematic manner . Where two or three hands are needed now , a single ... Reduction . — At Cerro Gordo district three reduction works exist at present , none of which exceeds 10 tons working ...
... reduced as soon as the mines are opened in a systematic manner . Where two or three hands are needed now , a single ... Reduction . — At Cerro Gordo district three reduction works exist at present , none of which exceeds 10 tons working ...
Страница 27
... reduced to its metallic state , carrying the greater portion of the precious metal with it . This is run into bars ... reduce 1 ton of ore . They reduce , according to their size and blast and the character of the charges , from 5 to 10 ...
... reduced to its metallic state , carrying the greater portion of the precious metal with it . This is run into bars ... reduce 1 ton of ore . They reduce , according to their size and blast and the character of the charges , from 5 to 10 ...
Страница 30
... reduced to $ 1 75 , and the general expenses to 50 cents per ton of rock ,, thus securing $ 1 per ton of additional profit . The Mariposa mine contained , likewise , immense reserves of low - grade quartz . The mill at Mariposa has been ...
... reduced to $ 1 75 , and the general expenses to 50 cents per ton of rock ,, thus securing $ 1 per ton of additional profit . The Mariposa mine contained , likewise , immense reserves of low - grade quartz . The mill at Mariposa has been ...
Страница 31
... reduction , it is evident that a general average reduction of some 25 per cent . in that item is no insignificant matter , in the treatment of low - grade ores especially , and in the execution of " dead - work ” and new constructions ...
... reduction , it is evident that a general average reduction of some 25 per cent . in that item is no insignificant matter , in the treatment of low - grade ores especially , and in the execution of " dead - work ” and new constructions ...
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amalgam amount antimony Arizona arrastras assay average bullion Burnt River California Cañon carried cent chloride City claims Clear Creek County Colorado contains copper cost country rock County Creek crushing cupellation deposits depth ditch east employed Eureka expense extracted feet deep feet wide furnace galena Gilpin County gold and silver Gold Hill granite Grass Valley gravel ground Gulch hundred hydraulic inches iron iron pyrites labor latter lead ledge limestone located lode metal miles mill miners Mining Company mining districts months mountain nearly Nevada northeast opened operations ounces owners oxides pans Pine placer mines plates portion pounds present pulp pyrites quantity quartz quicksilver reduced reported rich River roasting rock salt San Francisco shaft Sierra slag slates smelting southwest stamps Steam stoping sulphate sulphurets surface tailings tion tons Total tunnel vein Wickenburg width yield zinc
Популарни одломци
Страница 495 - 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.
Страница 495 - The miners of each mining district may make regulations not in conflict with the laws of the United States, or with the laws of the state or territory in which the district is situated, governing the location, manner of recording, amount of work necessary to hold possession of a mining claim, subject to the following requirements : The location must be distinctly marked on the ground so that its boundaries can be readily traced.
Страница 495 - 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...
Страница 489 - That whenever by priority of possession rights to the use of water for mining, agricultural, manufacturing, or other purposes have vested and accrued and the same are recognized and acknowledged by the local customs, laws, and the decisions of courts, the possessors and owners of such vested rights shall be maintained and protected in the same...
Страница 489 - ... and the right of way for the construction of ditches and canals for the purposes herein specified is acknowledged and confirmed ; but whenever any person, in the construction of any ditch or canal, injures or damages the possession of any settler on the public domain, the party committing such injury or damage shall be liable to the party injured for such injury or damage.
Страница 488 - 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, upon the payment to the proper officer of five dollars per acre, and that no adverse claim exists...
Страница 497 - ... the applicants, and they shall be at liberty to obtain the same at the most reasonable rates, and they shall also be at liberty to employ any United States Deputy Surveyor to make the survey.
Страница 494 - Mining claims upon veins or lodes of quartz or other rock in place bearing gold, silver, cinnabar, lead, tin, copper, or other valuable deposits...
Страница 495 - But their right of possession to such outside parts of such veins or ledges shall be confined to such portions thereof as lie between vertical planes drawn downward as above described, through the end lines of their locations, so continued in their own direction that such planes will intersect such exterior parts of such veins or ledges.
Страница 495 - The location must be distinctly marked on the ground so that its boundaries can be readily traced. All records of mining claims hereafter made shall contain the name or names of the locators, the date of the location, and such a description of the claim or claims located by reference to some natural object or permanent monument as will identify the claim. On each claim located after the tenth day of May, eighteen hundred and seventy-two, and until a patent has been issued therefor, not less than...