One such advancement was the development of square set timbering. Unlike gold deposits in California , the ore veins ran deep underground and miners faced...
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www.washoe.k12.nv.us/americanhistory/elementary/ONE_web...
www.washoe.k12.nv.us/americanhistory/elementary/ONE_web_lessons/richards.htm
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After only weeks on the Comstock sites, he developed a new system of "square set" timbering, a deep-mining support technique so effective it opened the Comstock to far greater penetration and was instantly applied across the West and worldwide.
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www.calliope.org/gold/gold3.html
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The square set timbering method devised by Deideshimer slowed the swelling The development of his square-set timbering method was fictionalized in "The...
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en.wikipedia.org/wiki/Philip_Deidesheimer
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Stope in which square-set timbering and its variations are employed. As a rule, the ground is broken by overhand methods, the face being advanced by successive small excavations, each one timbered before the next is begun.
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www.maden.hacettepe.edu.tr/dmmrt/dmmrt1233.html
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Philipp Deidesheimer and the remarkable timber square set. Today, the timber square set. The University of Houston's College of Engineering presents...
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www.uh.edu/engines/epi1901.htm
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The timber square set: a mining revolution in Virginia City. Typical timber square set bracing as illustrated in a 19th century magazine...
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www.uh.edu/engines/epi251.htm
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Or is it due to then-modern engineering? Square-set timbering, pictured below, may be its salvation . . . They got right on the phone to check availability and set me up right on the spot. I'm a sucker for service expediency, gets me every time! What a cool store! Spent some time talking to the good folks there,
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Where to stay; Things; To Do Chollar Mine Tour: See original square set timbering, tools and equipment form the 5th largest producer on the Comstock. May - September. 775-847-0155.
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www.desertusa.com/Cities/nv/nv_virginiacity.html
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This problem was solved quickly by mine superintendent, Philipp Deidesheimer with his invention of square set timbering. Not another miner ever lost his life due to a cave-in, if this method of timbering was employed.
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virginiacity-nv.com/joomla/index.php?option=com_content...
virginiacity-nv.com/joomla/index.php?option=com_content&task=view&id=13&Itemid=29
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