Silver and Gold: An Account of the Mining and Metallurgical Industry of the United States, with Reference Chiefly to the Precious MetalsJ. B. Ford, 1873 - 566 halaman |
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Halaman 43
... shaft . This process is repeated until the holes have been " used up , " and the shaft is down to the bottom of the borings . If additional depth is desired the machines are set at work again , and a new set of deep borings is made ...
... shaft . This process is repeated until the holes have been " used up , " and the shaft is down to the bottom of the borings . If additional depth is desired the machines are set at work again , and a new set of deep borings is made ...
Halaman 62
... shaft is sunk and the lower level opened . The mill , situated a short distance below the mouth of the tunnel , is provided with Stanford's self - feeding apparatus , requiring only one man to attend to the fifteen stamps . No pans are ...
... shaft is sunk and the lower level opened . The mill , situated a short distance below the mouth of the tunnel , is provided with Stanford's self - feeding apparatus , requiring only one man to attend to the fifteen stamps . No pans are ...
Halaman 72
... Shaft claims at San Andreas , Calaveras County . Tunnel. Shaft claims at San Andreas , Calaveras County . Tunnel claims near Dogtown , Calaveras County , California . Hedrick's claim . Inches of water used in hydraulic washing . Cost of ...
... Shaft claims at San Andreas , Calaveras County . Tunnel. Shaft claims at San Andreas , Calaveras County . Tunnel claims near Dogtown , Calaveras County , California . Hedrick's claim . Inches of water used in hydraulic washing . Cost of ...
Halaman 73
... shaft .. • Height of drift on an average . Area of ground drifted upon Length of ground unworked on channel ... shafts . Length of tunnel at present . Height of drift , ( all pay - dirt ) . • When this claim commenced .. Area of ground ...
... shaft .. • Height of drift on an average . Area of ground drifted upon Length of ground unworked on channel ... shafts . Length of tunnel at present . Height of drift , ( all pay - dirt ) . • When this claim commenced .. Area of ground ...
Halaman 76
... shaft to a depth of 600 feet , though no level has been opened below 500 feet . They have two shafts 100 feet apart ; both are sunk on the vein , which pitches east at an angle of 76 ° . Their mill cost $ 30,000 , has thirty stamps ...
... shaft to a depth of 600 feet , though no level has been opened below 500 feet . They have two shafts 100 feet apart ; both are sunk on the vein , which pitches east at an angle of 76 ° . Their mill cost $ 30,000 , has thirty stamps ...
Edisi yang lain - Lihat semua
Istilah dan frasa umum
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 district ditch 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
Bagian yang populer
Halaman 455 - ... upon a failure to comply with these conditions, the claim or mine upon which such failure occurred shall be open to relocation in the same manner as if no location of the same had ever been made, provided that the original locators, their heirs, assigns, or legal representatives, have not resumed work upon the claim after failure and before such location.
Halaman 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 seventy-two, render such limitation necessary.
Halaman 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, and the lands in which they are found to occupation and purchase, by citizens of the United States...
Halaman 456 - That where an adverse claim is filed during the period of publication it shall be upon oath of the person or persons making the same, and shall show the nature, boundaries, and extent of such adverse claim...
Halaman 456 - States 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 (Jie patent.
Halaman 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...
Halaman 456 - ... 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; and thereafter no objection from third parties to the issuance of a patent shall be heard, except it be shown that the applicant has failed to comply with the terms of this chapter.
Halaman 458 - ... 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. The Commissioner of the General Land-office shall also have power to establish the maximum charges for surveys and publication of notices under this Act; and in case of excessive...
Halaman 455 - 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.
Halaman 455 - 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.