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1860 Lead Mining In Dubuque

May 20, 2011 The town was incorporated in 1836. Dubuque, city and county, had 31,164 inhabitants in 1860. Historic Dubuque -- the Key City of Iowa -- formed a part of what became French Louisiana when Joliet and Marquette paddled by in 1673. Perrot taught the Miami Indians how to mine lead here in 1690.

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