[PDF.80xw] Mining California: An Ecological History

Mining California: An Ecological History

[PDF.fk81] Mining California: An Ecological History

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 | #276720 in Books |  Hill and Wang |  2006-07-25 |  2006-07-25 | Original language:English | PDF # 1 |  8.50 x.58 x5.50l,.65 | File type: PDF | 256 pages

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||0 of 0 people found the following review helpful.| insightful and well-written - I had to use the dictionary ...|By Customer|insightful and well-written - I had to use the dictionary several times - very detailed

some economic views were difficult to comprehend by a lay reader|0 of 0 people found the following review helpful.| It provided some insights to California history that were new

An environmental History of California during the Gold Rush

Between 1849 and 1874 almost $1 billion in gold was mined in California. With little available capital or labor, here's how: high-pressure water cannons washed hillsides into sluices that used mercury to trap gold but let the soil wash away; eventually more than three times the amount of earth moved to make way for the Panama Canal entered California's rivers, leaving behind twenty tons of mercu...

You can specify the type of files you want, for your device.Mining California: An Ecological History   |  Andrew C. Isenberg.Not only was the story interesting, engaging and relatable, it also teaches lessons.

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