Statistics of Mines and Mining in the States and Territories West of the Rocky Mountains, Količina 2U.S. Government Printing Office, 1870 |
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Zadetki 1–5 od 100
Stran 14
... contains a large proportion of the mills running in the various districts . The cement and placer miners have , with very few exceptions , refused to furnish any information whatever . A striking instance of the imperfection of returns ...
... contains a large proportion of the mills running in the various districts . The cement and placer miners have , with very few exceptions , refused to furnish any information whatever . A striking instance of the imperfection of returns ...
Stran 17
... contains carbonate and tungstate of lead , Some of the ore yielding as high as $ 300 in silver . It is worked from the Cerro Gordo Ravine along the river by tunnels , which will command to the surface about two II . Ex . Doc . 207- -2 ...
... contains carbonate and tungstate of lead , Some of the ore yielding as high as $ 300 in silver . It is worked from the Cerro Gordo Ravine along the river by tunnels , which will command to the surface about two II . Ex . Doc . 207- -2 ...
Stran 18
... contains , as a flux for such ores as the San Benito , St. Louis , & c . There have been about forty tons of ore taken out of this mine , which sold on the ground for about $ 150 per ton . The length of the Queen City is sixteen hundred ...
... contains , as a flux for such ores as the San Benito , St. Louis , & c . There have been about forty tons of ore taken out of this mine , which sold on the ground for about $ 150 per ton . The length of the Queen City is sixteen hundred ...
Stran 46
... contain reserves sufficient to supply the mill for two years . The Roannaise mine was not considered at all in these ... contains twenty stamps of 950 pounds each , and the power is fur- nished by a steam - engine . The yield of the mine ...
... contain reserves sufficient to supply the mill for two years . The Roannaise mine was not considered at all in these ... contains twenty stamps of 950 pounds each , and the power is fur- nished by a steam - engine . The yield of the mine ...
Stran 50
... contain five thousand , the water boils , and surges , and eddies about , so that every atom comes in contact with the amalgamated surfaces . The precipitation of the gold is greatly increased by the electrical action induced by the ...
... contain five thousand , the water boils , and surges , and eddies about , so that every atom comes in contact with the amalgamated surfaces . The precipitation of the gold is greatly increased by the electrical action induced by the ...
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Pogosti izrazi in povedi
Alpine County amalgamation amount apparatus arrastras assay average Bannack battery bottom bullion cable California Cañon Cañon City cents chloride claims coal Comstock lode contains copper cost country rock County Creek crushing cylinder deposits depth diameter ditch dollars drift drill east engine explosion extension feet deep feet wide fissure five furnace galena giant powder gold granite Grass Valley gravel Gulch hoisting hole horse-power hundred feet inches iron iron pyrites July labor ledge length lode machine metal metres miles mill miners Mining Company mining district Mountains Nevada opened operations owners patent Pinos Altos piston placer mining pounds pump pyrites quantity quartz quicksilver railroad Reese River reported rich roasting rock running shaft side silver slate smelting stamps steam sulphurets surface Territory tion tons Treasure Hill trepan tunnel Valley valve vein vertical weight White Pine width yield
Priljubljeni odlomki
Stran 425 - That whenever any person or association of persons claim a vein or lode of quartz, or other rock in place, bearing gold, silver, cinnabar, or copper...
Stran 425 - That no location hereafter made shall exceed two hundred feet in length along the vein for each locator, with an additional claim for discovery to the discoverer of the lode, with the right to follow such vein to any depth with all its dips, variations, and angles, together with a reasonable quantity of surface for the convenient working of the same, as fixed* by local rules.
Stran 327 - He never reached his home, however, and was supposed to have been killed by the Indians. Thirteen years elapsed, when a party of forty men arrived here. They prospected the whole length of the Sweetwater, found gold everywhere in the river as well as in all of its tributaries, and turned the main stream from its channel 400 yards.
Stran 425 - ... enter such tract and receive a patent therefor, granting such mine, together with the right to follow such vein or lode with its dips, angles, and variations to any depth, although it may enter the land adjoining, which land adjoining shall be sold subject to this condition.
Stran 425 - 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...
Stran 425 - That the mineral lands of the public domain, both surveyed and unsurveyed, are hereby declared to be free and open to exploration and occupation by all citizens of the United States, and those who have declared their intention to become citizens, subject to such regulations as may be prescribed by law, and subject also to the local customs or rules of miners in the several mining districts, so far as the same may not be in conflict with the laws of the United States.
Stran 327 - Gold in the Sweetwater District was first discovered in 1842 by a Georgian who came here with the American Fur Company for the recovery of his health. After remaining a year he started home, intending to organize a company and bring them here to work the mines.
Stran 425 - ... file in the local land office a diagram of the same, so extended laterally or otherwise as to conform to the local laws, customs, and rules of miners, and to enter such tract and receive a patent therefor, granting such mine...
Stran 627 - Each size will break any stone, one end of which can be entered into the opening between the jaws at the top. The size of the machine is designated by the size of this opening; thus, if the width of the jaws be 15 inches, and the distance between them at the top 9 inches, the size is called 15 by 9.
Stran 653 - The quantity of water used per stamphead in crushing varies from 720 gallons to 11,520 gallons per diem of 24 hours. The quantity of mercury used in the ripples per stamper is from 5 to 70 pounds.