Letter from the Secretary of the Treasury Transmitting Report Upon the Mineral Resources of the States and Territories West of the Rocky MountainsU.S. Government Printing Office, 1867 - 321 strani |
Iz vsebine knjige
Zadetki 6–10 od 40
Stran 48
... inches . The favorite weight would appear to be about 650 lbs . , with a fall of 12 inches and a velocity of from 60 to 70 blows per minute . It is generally assumed that a ten - stamp mill , with stamp of 550 lbs . , falling 12 inches ...
... inches . The favorite weight would appear to be about 650 lbs . , with a fall of 12 inches and a velocity of from 60 to 70 blows per minute . It is generally assumed that a ten - stamp mill , with stamp of 550 lbs . , falling 12 inches ...
Stran 54
... inches ; in six , twelve inches ; in five , fourteen inches ; in four , thirteen inches ; in one , eleven inches ; in one , eight inches ; in one , nine inches . In thirteen mills the speed of the blows was from sixty to sixty - five ...
... inches ; in six , twelve inches ; in five , fourteen inches ; in four , thirteen inches ; in one , eleven inches ; in one , eight inches ; in one , nine inches . In thirteen mills the speed of the blows was from sixty to sixty - five ...
Stran 58
... inches , inclusive ; in 20 , from 13 to 24 inches , inclusive ; of 9 , from 25 to 36 inches , Power used ; water or steam . Number of stamps . Kind of amalgamating machinery . Cost of roads . Cost of ditches and flumes . inclusive ; of ...
... inches , inclusive ; in 20 , from 13 to 24 inches , inclusive ; of 9 , from 25 to 36 inches , Power used ; water or steam . Number of stamps . Kind of amalgamating machinery . Cost of roads . Cost of ditches and flumes . inclusive ; of ...
Stran 59
... inches , inclusive ; of 9 , from 5 to 10 feet , in- clusive ; and of 2 , over 10 feet . In 9 mines the average yield is under $ 10 per ton ; in 22 it is between $ 10 and $ 19 , inclusive ; in 14 it is between $ 20 and $ 29 , inclusive ...
... inches , inclusive ; of 9 , from 5 to 10 feet , in- clusive ; and of 2 , over 10 feet . In 9 mines the average yield is under $ 10 per ton ; in 22 it is between $ 10 and $ 19 , inclusive ; in 14 it is between $ 20 and $ 29 , inclusive ...
Stran 62
... inches , and each stamp falls from forty to eighty times in a minute . It is cal- culated that each stamp should crush a ton of quartz of ordinary quality in twenty - four hours . The mills usually run night and day . Of course , the ...
... inches , and each stamp falls from forty to eighty times in a minute . It is cal- culated that each stamp should crush a ton of quartz of ordinary quality in twenty - four hours . The mills usually run night and day . Of course , the ...
Pogosti izrazi in povedi
Amador county amalgamation amount Arizona auriferous beds borax bullion Calaveras county California cañon cent claimants coal Comstock lode containing copper copper mines Copperopolis cost creek crystals deposits depth discovered discovery dollars erected Esmeralda expenses extracted Father fifty furnaces geological Gould & Curry governor Grass valley Humboldt hundred feet Idaho inches Indians labor lake laws ledge located Mariposa county metal Mexican Mexico miles mills mining district mission Monterey months mountains nearly Nevada county obtained Ophir Oregon owners Pacific coast pans parties persons placer mining portion possession pounds present presidio profit quantity quartz quartz claims quartz mining quicksilver record Reese River regulations rich rock running Sacramento salt San Francisco settlers shaft shipped Sierra Nevada slate sluice specimens springs stream sulphur sulphurets surface Territory thousand tion tons tunnel Tuolumne county vein Virginia City Washoe
Priljubljeni odlomki
Stran 13 - There is no part of the earth here to be taken up wherein there is not a reasonable quantity of gold or silver.
Stran 221 - ... local customs or rules of miners in the several mining districts, so far as the same are applicable and not inconsistent with the laws of the United States.
Stran 15 - Gold Mine Found. — In the newly made raceway of the Saw Mill recently erected by Captain Sutter, on the American Fork, gold has been found in considerable quantities. One person brought thirty dollars' worth to New Helvetia, gathered there in a short time. California, no doubt, is rich in mineral wealth, great chances here for scientific capitalists. Gold has been found in almost every part of the country.
Stran 221 - 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 222 - ... to 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, 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 231 - 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 265 - Nevada and California Processes of Silver and Gold Extraction, for general use,* and especially for the mining public of California and Nevada, with full explanations .and directions for all metallurgical operations connected with silver and gold, from a preliminary examination of the ore to the final casting of the ingot; also a description of the general metallurgy of silver ores.
Stran 222 - That as a further condition of sale, in the absence of necessary legislation by Congress, the local Legislature of any State or Territory may provide rules for working mines involving easements, drainage, and other necessary means to their complete development ; and those conditions shall be fully expressed in the patent.
Stran 221 - 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 138 - An act to secure homestead to actual settlers on the public domain," and acts amendatory thereof. SEC. 11. And be it further enacted, That upon the survey of the lands aforesaid, the Secretary of the Interior may designate and set apart such portions of the said lands as are clearly agricultural lands, which lands shall thereafter be subject to pre-emption and sale as other public lands of the United States, and subject to all the laws and regulations applicable to the same. APPROVED July 26th, 1866....