Аннотация к книге "Silver Mining in the United States"
High Quality Content by WIKIPEDIA articles! Silver mining in the United States began on a major scale with the discovery of the Comstock Lode in Nevada in 1858. The industry suffered greatly from the demonetization of silver in 1873 by the "Crime of 73," but silver mining continues today. The United States produced 1,200 metric tons of silver in 2007, 35% of the silver it used. The remaining 65% was imported from Mexico, Canada, Peru, and Chile. Thirty-six US mines reported silver production....
High Quality Content by WIKIPEDIA articles! Silver mining in the United States began on a major scale with the discovery of the Comstock Lode in Nevada in 1858. The industry suffered greatly from the demonetization of silver in 1873 by the "Crime of 73," but silver mining continues today. The United States produced 1,200 metric tons of silver in 2007, 35% of the silver it used. The remaining 65% was imported from Mexico, Canada, Peru, and Chile. Thirty-six US mines reported silver production. Interest in silver mining has increased in recent years because of increased price of the metal: the average silver price increased from $4.39 per ounce for the year 2001, to $13.45 per ounce for 2007.
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