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Page 756 - Nickel, nickel oxide, alloy of any kind in which nickel is a component material of chief value, in pigs, ingots, bars, rods, or plates, six cents per pound; sheets or strips, thirty-five per centum ad valorem.
Page 850 - States and its functions in the Bureau of Foreign and Domestic Commerce of the Department of Commerce and the...
Page 820 - WATSON, TL, and TABER, STEPHEN, Geology of the titanium and apatite deposits of Virginia: Virginia Geol.
Page 18 - ... Cambrian age. The soils from the shales and slates are clay types. They are often thin and suffer from washing and gullying when exposed. An outstanding example of erosion, resulting from destruction of vegetation by smelter fumes, is to be found in this basin immediately surrounding the plants of the Tennessee Copper Co. and the Ducktown Sulphur, Copper & Iron Co. (Ltd.). The latter plant is located at Isabella, in southeastern Polk County, Tenn., and the former about 2 miles farther south,...
Page 126 - The lead and zinc mines of Wisconsin are in Grant, Iowa, and Lafayette counties and comprise the most important part of the ore deposits of the upper Mississippi Valley region, a historical review of which is given in the Illinois section of this report in Mineral Resources for 1914. A detailed description of the Wisconsin lead and zinc districts and of the mines in each district to the year 1906 is given by Bain.1...
Page 852 - ZINC PIGMENTS. There are four white pigments which have zinc for a base, either in whole or in part — zinc oxide, leaded zinc oxide, zinc-lead oxide, and lithopone. All of these may be and in the United States the first three usually are made directly from ore. Zinc oxide is the most important of these pigments. In European practice the oxide is made from spelter, though in France zinc oxide is made from ore in the electrothermic furnace invented by C6te and Pierron.
Page 72 - Michigan for 1914 and 1915, by counties. 1914. 1915. 1 Some of the terms used to designate the different materials entering into the mining industry differ for the Lake district from those employed in any other part of the country. Ore is known as "rock...
Page 98 - Zinc (general report). Gold, silver, copper, lead, and zinc in the Eastern States (mines report).
Page 697 - The district is well located for cheap working of the mines. The Great Lakes furnish cheap transportation for both coal and copper, and the Lake steamers reach the heart of the district by Portage Lake and the Houghton Ship Canal. The district is served by the Mineral Range, Copper Range, and Keweenaw Central railroads and is connected with the main lines of traffic by the Chicago, Milwaukee & St. Paul and Duluth, South Shore & Atlantic railways.