Mineral Resources of the United States, Parte1U.S. Government Printing Office, 1912 |
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Página 227
... silver recovery per ton from Mother Lode ores in 1911 was $ 3.57 , against $ 3.78 in 1910 . Silver . The production of silver in California in 1911 was 1,270,445 fine ounces , against 1,840,085 fine ounces in 1910 , a decrease of 569,640 ...
... silver recovery per ton from Mother Lode ores in 1911 was $ 3.57 , against $ 3.78 in 1910 . Silver . The production of silver in California in 1911 was 1,270,445 fine ounces , against 1,840,085 fine ounces in 1910 , a decrease of 569,640 ...
Página 228
... Silver . The silver production of Colorado in 1911 was 7,330,168 fine ounces , against 8,509,598 ounces in 1910 and 8,902,633 ounces in 1909. Lake County ( Leadville ) showed a decrease of 314,719 ounces , following a decrease of 101,627 ...
... Silver . The silver production of Colorado in 1911 was 7,330,168 fine ounces , against 8,509,598 ounces in 1910 and 8,902,633 ounces in 1909. Lake County ( Leadville ) showed a decrease of 314,719 ounces , following a decrease of 101,627 ...
Página 229
... Silver . The silver output of Idaho increased from 7,369,742 fine ounces in 1910 to 8,196,136 ounces in 1911. Over 86 per cent of the silver output of Idaho is from the lead mines , especially of the Coeur d'Alene , in Shoshone County ...
... Silver . The silver output of Idaho increased from 7,369,742 fine ounces in 1910 to 8,196,136 ounces in 1911. Over 86 per cent of the silver output of Idaho is from the lead mines , especially of the Coeur d'Alene , in Shoshone County ...
Página 230
... ounces in 1910 from 35,002 tons of concentrates . In Illinois the silver output in 1911 was 3,036 fine ounces from 482 short tons of silver - bearing lead concentrates ( recovered from lead - zinc - fluorspar ores ) , against 2,022 ounces ...
... ounces in 1910 from 35,002 tons of concentrates . In Illinois the silver output in 1911 was 3,036 fine ounces from 482 short tons of silver - bearing lead concentrates ( recovered from lead - zinc - fluorspar ores ) , against 2,022 ounces ...
Página 231
... Silver . The silver output of Nevada in 1911 was 13,184,601 fine ounces , against 12,479,871 ounces in 1910 and 10,981,061 ounces in 1909. Of the total production Nye County supplied 10,918,263 ounces in 1911 , against 10,550,303 ounces ...
... Silver . The silver output of Nevada in 1911 was 13,184,601 fine ounces , against 12,479,871 ounces in 1910 and 10,981,061 ounces in 1909. Of the total production Nye County supplied 10,918,263 ounces in 1911 , against 10,550,303 ounces ...
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Términos y frases comunes
aggregated Amalgamation amounted Arizona average value base bullion bullion California carbonate centration clay products coal Colorado compared concen concentrating plant concentration mill containing copper-lead Creek crude Crusher cyanide plant decrease deep mines deposits depth district.-The dredges drilling dry or siliceous exports feet deep feet of drifts following table furnaces galena Geological gold and silver Grant County gravel Huntington mill Idaho important increase jigs Lake Superior lead and zinc lead concentrates lead-zinc lessees lode long tons magnetic manganese Mexico Michigan mineral production Missouri Montana Nevada Nye County old tailings operated ounces of gold ounces of silver oxidized pig iron placer mines pounds of copper pounds of lead principal production in 1911 production of gold pyrite recovered refined reported rock shipments shipped to smelters short tons silver mills smelters smelting Socorro County sphalerite sulphide Survey tion tonnage total value U. S. Geol United Utah vertical shaft yielded zinc concentrates
Pasajes populares
Página 213 - I refer you to the Annual Report of the Director of the Mint for the fiscal year ended June 30.
Página 340 - Provided further, That all labor performed and services rendered pursuant to this section shall be under the supervision of an officer of the customs, to be appointed by the Secretary of the Treasury...
Página 339 - On the arrival of the ores at such establishments they shall be sampled according to commercial methods under the supervision of Government officers, who shall be stationed at such establishments and who shall submit the samples thus obtained to a Government assayer, designated by the Secretary of the Treasury, who shall make a proper assay of the sample, and report the result to the proper...
Página 383 - ... bonded warehouses or otherwise. On the arrival of the ores at such establishments they shall be sampled according to commercial methods under the supervision of Government officers, who shall be stationed at such establishments, and who shall submit the samples thus obtained to a Government assayer...
Página 384 - ... methods under the supervision of government officers, who shall be stationed at such establishments, and who shall submit the samples thus obtained to a government assayer, designated by the Secretary of the Treasury, who shall make a proper assay of the sample and report the result to the proper customs officers, and the import entries shall be liquidated thereon, except in case of ores that shall be removed to a bonded warehouse to be refined for exportation as provided by law. And the Secretary...
Página 172 - Report on the geology and mineral resources of the central mineral region of Texas: Second Ann.
Página 353 - States as shown by the report of the Bureau of Statistics of the Department of Commerce and Labor...
Página 148 - The next two pages, the southeast quarter of the northeast quarter and the southwest quarter of the northeast quarter, and so on through the other quarters of the section.
Página 397 - SCHRADER, FC, Mineral deposits of the Cerbat Range, Black Mountains, and Grand Wash Cliffs, Mohave County, Ariz.: Bull.
Página 396 - The following publications, except those to which a price is affixed, can be obtained free by applying to the Director...