Mining has played a significant role in the history of Pinal County. Early mining dates back more than 1,000 years, as Native Americans mined chrysocolla using large diabase hammers for jewelry and ...

Mining in the Dos Cabezas Mountains has a long and varied history of successes and failures based upon mineable resources, metal commodities and capital investment proportionate to the cost of ore ...

These curated articles all examine some of the pivotal events in Lexington, Kentucky's past, highlighting incidents that reflect the city's social, political and economic transformation. They recount ...

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