3_Trans-MS West PPT

3_Trans-MS West PPT - 9/1/2010 the Crow country . . .is a...

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9/1/2010 1 “the Crow country . . .is a good country. The Great Spirit has put it exactly in the right place; while you are in it you fare well; whenever you go out of it, whichever way you travel, you fare worse.” Crow chief Arapooish, 1830s The Frontier in American History “The frontier is officially closed . . . No part of the habitable U.S. has fewer than 2 people per square mile” --Frederick Jackson Turner, “frontier thesis,” 1893 Trans-Mississippi West From the first strike near Sutter’s Mill, CA until the discovery of silver in Nevada 10 years later, CA gold mines gave up about $80 million/annually ($2 billion/year today) and drew millions of miners hoping to strike it rich
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9/1/2010 2 1848 1859 Comstock Lode became the richest in mining history when a network of mines unearthed millions of dollars in both gold and silver This 2-story cabin was luxurious for the Klondike; most mining towns were little more than tent cities Miners prepare to descend into the Savage Silver Mining Works at Virginia City, Nevada, one of the dozens of mines working the Comstock Lode. 3,000 feet below ground No ventilation One way in and out What could go wrong?
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9/1/2010 3 Philip Deidesheimer’s tunnel supports and Adolph Sutro’s tunnel system made mining much safer Americans laid 22,000 miles of track in only 10 years Route of the Transcontinental RR
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3_Trans-MS West PPT - 9/1/2010 the Crow country . . .is a...

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