Reports Upon the Mineral Resources of the United StatesU.S. Government Printing Office, 1867 - 745 pages |
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Results 1-5 of 23
Page 13
... Pan washing . - 7 . The rocker.— 8. Mining ditches . - 9 . Miners ' " rushes . " - 10 . Gold Lake and Gold Bluff . - 11 . The " tom . " -- 12 . The sluice . - 13 . Placer leads traced to quartz . - 14 . A gold - dredging machine . - 15 ...
... Pan washing . - 7 . The rocker.— 8. Mining ditches . - 9 . Miners ' " rushes . " - 10 . Gold Lake and Gold Bluff . - 11 . The " tom . " -- 12 . The sluice . - 13 . Placer leads traced to quartz . - 14 . A gold - dredging machine . - 15 ...
Page 14
... He arrived at Coloma on the 7th of March , and found the work at the mill going on as if no gold existed in the neighborhood . The next day he took a pan and spade and washed some of the dirt from 14 RESOURCES OF STATES AND TERRITORIES.
... He arrived at Coloma on the 7th of March , and found the work at the mill going on as if no gold existed in the neighborhood . The next day he took a pan and spade and washed some of the dirt from 14 RESOURCES OF STATES AND TERRITORIES.
Page 15
United States. Department of the Treasury. pan and spade and washed some of the dirt from the bottom of the mill race in places where Marshall had found his specimens , and in a few hours Humphrey declared that these mines were far ...
United States. Department of the Treasury. pan and spade and washed some of the dirt from the bottom of the mill race in places where Marshall had found his specimens , and in a few hours Humphrey declared that these mines were far ...
Page 16
... PAN WASHING . In the first two years the miners depended mainly for their profits on the pan and the rocker . The placer miner's pan is made of sheet iron , or tinned iron , with a flat bottom about a foot in diameter , and sides six ...
... PAN WASHING . In the first two years the miners depended mainly for their profits on the pan and the rocker . The placer miner's pan is made of sheet iron , or tinned iron , with a flat bottom about a foot in diameter , and sides six ...
Page 20
... pan and the rocker required every man to be his own master . In 1849 each miner worked for himself , or the exceptions were so few that they were almost unknown . The method of working made it impossible for the employer to guard ...
... pan and the rocker required every man to be his own master . In 1849 each miner worked for himself , or the exceptions were so few that they were almost unknown . The method of working made it impossible for the employer to guard ...
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Common terms and phrases
amalgamation amount Arizona auriferous borax bullion Calaveras county California cent claimants coal Comstock lode containing copper copper mines Copperopolis cost creek crystals deposits depth discovered discovery dollars erected expenses exploration extracted fifty furnaces geological gold and silver Gold Hill Gould & Curry governor Grass valley Hill Humboldt hundred feet inches Indians iron labor lake laws ledge located Mariposa county masses metal Mexican Mexico miles mills mining districts mission Monterey months mountains nearly Nevada county obtained Ophir Oregon owners pans parties persons placer mining portion possession pounds present presidio profit pyrites quantity quartz quartz mining quicksilver record Reese River rich rock running Sacramento salt San Francisco settlers shaft Sierra Nevada silver mines slate smelting specimens springs sulphurets surface survey Territory thousand tion tons tunnel Tuolumne county vein Virginia City Washoe width