{"value"=>"<p>In 1850 Taylor joined with Charles Heckscher, Thomas Petherick (a mining engineer who assisted Taylor in many ventures) and his Cuban sugar associates, Henry A. Coit and Philo Shelton, to form the Penn Mining and Smelting Company near Valley Forge, Pennsylvania. The company ceased operations and was dissolved in 1855.</p>"}
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{"value"=>"<p>Letters to Moses Taylor and Company, 1831, 1849-1864; minutes of the Board of directors, 1850-1856; meetings of the Board of Directors, 1850-1853; charter; accounts; treasurer's reports, shelton agreement; costs of mining, 1849, 1850; capital stock transfer book, 1850-1855; stock certificate book, 1850-1855; stock ledger, 1850-1856; checkbook, 1851-1853; <span class=\"title\">Copper Mining in Great Britain and Ireland</span>, by Thomas Perick, 1849.</p>"}