Bulletin - United States Geological Survey, Випуск 470

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Сторінка 137 - States, a paper read before the American Institute of Mining Engineers at the Canal Zone meeting, November, 1910.
Сторінка 232 - HARDER, EC Manganese deposits of the United States; with sections on foreign deposits, chemistry, and uses.
Сторінка 9 - ... description; (2) preliminary reports on economic investigations the results of which are to be published later in more detailed form. These papers are such only as have a direct economic bearing, all topics of purely scientific interest being excluded. They have been grouped according to the subjects treated, and each group has been issued as an advance chapter as soon as it was ready.
Сторінка 367 - The government publications, except those to which a price is affixed, can be obtained free by applying to the Director, United States Geological Survey, Washington, DC The priced publications may be purchased from the Superintendent of Documents, Government Printing Office, Washington, DC ADAMS, GI, and others.
Сторінка 493 - Geological Survey, Washington, DC The priced publications may be purchased from the Superintendent of Documents, Government Printing Office, Washington, DC Those marked "Exhausted" are not available for distribution, but may be seen at the larger libraries of the country.
Сторінка 502 - The first mode is as cross-fiber veins of chrysotile in serpentine derived from peridotite, a deep-seated igneous rock, as near Lowell, Vt., and Casper, Wyo. So far as known, it is much the most important mode of occurrence and is well illustrated at the Thetford mines, in Canada. A second mode is as cross-fiber veins of chrysotile with serpentine in limestone. Its most important illustration is in the Grand Canyon of the Colorado in Arizona. The third mode of occurrence is as mass-fiber amphibole...
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Сторінка 129 - Preliminary account of Goldfield, Bullfrog, and other mining districts in southern Nevada; with notes on the Manhattan district by GH Garrey and WH Emmons.
Сторінка 212 - Survey publications, except those to which a price is affixed, can be obtained free by applying to the Director, United States Geological Survey, Washington, DC The priced publications may be purchased from the Superintendent of Documents, Government Printing Office, Washington, DC The Survey does not distribute any other than its own publications.

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