Hittel on Gold Mines and Mining - John S Hittell - 書籍 - Createspace Independent Publishing Platf - 9781544628325 - 2017年3月26日
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Hittel on Gold Mines and Mining

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発送予定日 年9月18日 - 年10月6日
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Chief Industry.-Mining is the chief industry of California. It employs more men and pays larger average wages than any other branch of physical labor. Although it has been gradually decreasing in the amount of its production, in the profits to the individuals engaged in it, and in its relative importance in the business of the state, it is yet and will long continue to be the largest source of our wealth, and the basis to support the other kinds of occupation. Metals obtained.-Our mines now wrought are of gold, silver, quicksilver, copper and coal. Ores of tin, lead, and antimony in large veins, beds of sulphur, alum and asphaltum; lakes of borax and springs of sulphate of magnesia, are also found in the state, but they are not wrought at the present time, though they will probably all become valuable in a few years.

メディア 書籍     Paperback Book   (ソフトカバーで背表紙を接着した本)
リリース済み 2017年3月26日
ISBN13 9781544628325
出版社 Createspace Independent Publishing Platf
ページ数 56
寸法 152 × 229 × 3 mm   ·   86 g
言語 英語  

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