Mineral Resources of the United States

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U.S. Government Printing Office, 1902
 

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Seite 308 - States duty free. The exports consist both of anthracite and bituminous coal, the amount of bituminous being the greater in the last few years. They are made principally by rail over the international bridges and by lake and sea to the Canadian provinces. Exports are also made by sea to the West Indies, to Central and South America, and elsewhere. The imports are principally from Australia and British Columbia to San Francisco, from Great Britain to the Atlantic and Pacific coasts, and from Nova...
Seite 532 - INCLUSIVE. In the following table will be found a statement of the production of crude petroleum in the United States from the beginning of production, marked by the drilling of the Colonel Drake well in 1859, up to and including the production of...
Seite 948 - It is brittle with a conchoidal to uneven fracture, and is from 5 to 5.5 in hardness. It crystallizes in the monoclinic system, and some crystals have been observed that were 2 inches in length. The more perfect crystals are, however, very small, ranging from an eighth to a sixteenth of an inch in length down to microscopic ones. The mineral is usually readily recognized after a few samples have been examined. Its color, usually yellowish, inclined to reddish, its hardness 5 to 5.5, being readily...
Seite 105 - The following table, compiled from the reports of the Bureau of Statistics of the Treasury Department, gives the...
Seite 308 - ... shale, $1.25 per ton; all other, 40 cents per ton. By the act of 1872 the tariff on bituminous coal and shale was made 75 cents per ton, and so continued until the act of August, 1894, changed it to 40 cents per ton. On slack...
Seite 100 - The following statistics of the production of iron and steel cut nails and cut spikes do not embrace railroad and other spikes made from bar iron, wire nails of any size, or machine-made horseshoe nails.
Seite 353 - The southern classification, which, speaking in general, applies in the territory east of the Mississippi and south of the Ohio and Potomac Rivers...
Seite 871 - ... These pegmatitic veins are interesting not only from a commercial standpoint on account of the value of the mica obtained, but also from a mineralogical standpoint on account of the variety of minerals that they sometimes contain. In character these pegmatitic dikes are very similar to a granite and have sometimes been called " coarse granite " and, if we could conceive of the constituents of a granite magnified a hundred times or more, we would have an appearance that is very similar to a pegmatitic...
Seite 518 - PRODUCTION BY DISTRICTS. It has been customary in the preceding reports of this series to consider the coke production by the districts into which the State has been divided. These districts are known, respectively, as the Upper Monongahela, the Upper Potomac, the Kanawha, the New River, and the Flat Top. The first two are...
Seite 714 - Other States" is distributed among the States to which It belongs in order that they may be fully represented in the totals.

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