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Post by spacecowboy2006 on Nov 2, 2017 15:34:18 GMT
Approximate location of historic West Vaco Mine, at Corral Hollow, southeast of Livermore, California. Coal was discovered in Corral Hollow in 1855, with mining operations off and on until 1911. Tesla Coal Mining operation owned by John and James Treadwell. Mining town of Tesla was here, named for Nicola Tesla. The mine yielded coal as well as magnesite, used in steel production. web results
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