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 من الصفحات |
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الصفحة 42
... depth of the proposed shaft , unless this is too great . Three a hundred feet is the depth of the holes in the 42 MINING STATISTICS WEST OF THE ROCKY MOUNTAINS .
... depth of the proposed shaft , unless this is too great . Three a hundred feet is the depth of the holes in the 42 MINING STATISTICS WEST OF THE ROCKY MOUNTAINS .
الصفحة 43
... depth is desired the machines are set at work again , and a new set of deep borings is made . The sides and corners are found to be remarkably true and smooth . The drills here used are not annular , but have full convex heads in which ...
... depth is desired the machines are set at work again , and a new set of deep borings is made . The sides and corners are found to be remarkably true and smooth . The drills here used are not annular , but have full convex heads in which ...
الصفحة 47
... depth of from fifty to one hundred feet , and being generally richest above the water - line and near the surface . This class is known as " pocket- veins . " Although many so - called pocket - veins exist near to and parallel with the ...
... depth of from fifty to one hundred feet , and being generally richest above the water - line and near the surface . This class is known as " pocket- veins . " Although many so - called pocket - veins exist near to and parallel with the ...
الصفحة 48
... depth , second - rate ores predominated . The consequence was the suspension of operations and the decay of the once flourishing town of Copperopolis . The principal mines are the Union , owned by Glidden & Williams , of Boston , Massa ...
... depth , second - rate ores predominated . The consequence was the suspension of operations and the decay of the once flourishing town of Copperopolis . The principal mines are the Union , owned by Glidden & Williams , of Boston , Massa ...
الصفحة 49
... depth , by " horse " matter , composed of nearly equal parts of slate and broken quartz . Locations have been made in the majority of such in- stances on the croppings , parallel to each other , one on the hanging wall and another on ...
... depth , by " horse " matter , composed of nearly equal parts of slate and broken quartz . Locations have been made in the majority of such in- stances on the croppings , parallel to each other , one on the hanging wall and another on ...
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عبارات ومصطلحات مألوفة
200-foot level 50 feet amalgam amount antimony arrastras assay auriferous average Bannack bed-rock bullion Calaveras County California Cañon cent channel claim coal company's Comstock lode contains copper cost County course Creek cross-cut crushed deposits depth developed district ditch drift drill east El Dorado County engine erected Eureka expenses extracted feet feet deep feet in length feet wide Flat furnace galena gold Gold Hill gravel ground Gulch Hill hoisting-works hundred hydraulic inches incline iron labor lead ledge limestone located lode machinery metal miles mill Mineral Hill miners Mining Company months Mount Gregory Nevada opened operations ore-body ounces owners pans placer mines pounds present profit prospects quantity quartz quartzite rich River rock San Francisco silver slate smelting stamps stopes sulphurets sunk supply surface Table Mountain tion tons Total tunnel Tuolumne County tuyeres Valley vein washing width winze yield
مقاطع مشهورة
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 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...
الصفحة 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...
الصفحة 458 - An act granting the right of way to ditch and canal owners over the public lands, and for other purposes...
الصفحة 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...
الصفحة 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...
الصفحة 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...
الصفحة 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...