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Report of the State Bureau of Mines for the years 1901-2 its new mill on ores with principal value ingold. The Logan mine, one of the richest gold deposits in thecounty, joins the territory of the Yellow Pine,...

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MERCURY POTENTIAL, OF THE UNITED STATES Sonoma Quicksilver mines (Great Eastern, Mount Jackson) ... flotation for copper, lead, and zinc ores or cyanidation for gold ore. Some.

The Mineral resources of the Philippine Islands. [1907] Twelve machines for making holes in the center of the button to receive a metal disk ... 'I'le gold ores in tlje Benguet region are partially free milling,...

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LAKE ELSINORE QUADRANGLE 1959 DMSION OF MINES By RENE ENGEL and. MINERAL DEPOSITS OF. LAKE ELSINORE QUADRANGLE. CALIFORNIA. 1959. By RENE ENGEL. THOMAS E. GAY JR.. and B. L. ROGERS. Price $2.50...

Gold districts of California - Minerals and Mining Advisory Council This bulletin is an overall guide to the gold deposits in California. ... and character of the ore deposits, a list of mines, and a bibliography.

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THE CANADIAN MINERAL INDUSTRY IN 1945 erection of a large mill. Drilling has proved the existence of large bodies of gold- copper-zinc ore. Eldora Gold Mines, Limited, in Rouyn township,...

Full text of "Mines and mineral resources of Calaveras County ... Intermittent production in 1943-45 yielded more than 8000 tons of ore from which copper, lead, zinc, gold, and silver were recovered.

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Annual Report of the State Geologist for the Year 1904 A gold medal was awarded the. Survey for the exhibit of rocks, minerals, ores and fossils. . Since New Jersey is the chief clay-producing State in the.

History of Smelting in Arizona - Mining Foundation of the Southwest As the matte forms, it takes up the gold and silver of the ore. The larger blast furnaces were an excellent adaptation for coarse ores but they were not good...

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