Lead and silver ore were discovered at Eureka in 1864. The two major producers were the Richmond Consolidated Mining Company and the Eureka Consolidated Mining Company. They peaked during 1879-1883, with most mines closed by 1891.
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{{Information |Description=Lead and silver ore were discovered at Eureka in 1864. The two major producers were the Richmond Consolidated Mining Company and the Eureka Consolidated Mining Company. The peaked in the time frame of 1879-1883 with most mines c