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Rapid infilling of a fresh earth fissure in southern Pinal County, Arizona w/ comment by Ken Fergason
Rapid infilling of a 2-mile long fissure in the Tator Hills earth study area, Pinal County
Arizona Mining Review: Touring Florence Copper In-Situ Recovery Project

“We are probably the most regulated mine in the state of Arizona”

 Dan Johnson, VP & General Manager of Florence Copper, Inc.

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