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 99
Stran 18
... run into the mountain shows a vein of twelve to fourteen feet in thickness . A contract has been made to run sixty feet ... running north , eighteen degrees east . Both are opened by tunnels of various lengths , and disclose veins of ...
... run into the mountain shows a vein of twelve to fourteen feet in thickness . A contract has been made to run sixty feet ... running north , eighteen degrees east . Both are opened by tunnels of various lengths , and disclose veins of ...
Stran 27
... running , 280 days ; average number of stamps running , 15 ; whole number of stamps in mill , 15 ; power , water . Remarks . - This company is noted for having paid dividends for several years on low grade quartz . Estimate of the costs ...
... running , 280 days ; average number of stamps running , 15 ; whole number of stamps in mill , 15 ; power , water . Remarks . - This company is noted for having paid dividends for several years on low grade quartz . Estimate of the costs ...
Stran 31
... run at present on custom rock , with the exception of the Saca Tierra , which , with the mine , was lately sold to Gawne and Frank , who are now run- ning the mill on rock from the mine . The Sterling mill is not doing much , nor has it ...
... run at present on custom rock , with the exception of the Saca Tierra , which , with the mine , was lately sold to Gawne and Frank , who are now run- ning the mill on rock from the mine . The Sterling mill is not doing much , nor has it ...
Stran 33
... running , in Average number of stamps running . Whole number of stamps in mill . Average value . Mills . Power . Product for the year ending July 1 , 1869 . $ 21 56 3 $ 617 , 542 96 1 * 300,000 00 1 No returns . Name . Exhibit of ...
... running , in Average number of stamps running . Whole number of stamps in mill . Average value . Mills . Power . Product for the year ending July 1 , 1869 . $ 21 56 3 $ 617 , 542 96 1 * 300,000 00 1 No returns . Name . Exhibit of ...
Stran 34
... running up to the 1st of July . * I have given the full capacity of the new mill , which is just completed . The capacity of the old Eureka was 52 tons per day , with nothing but copper plates and sulphuret Remarks . - The Eureka mill runs ...
... running up to the 1st of July . * I have given the full capacity of the new mill , which is just completed . The capacity of the old Eureka was 52 tons per day , with nothing but copper plates and sulphuret Remarks . - The Eureka mill runs ...
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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.