Economic Contributions of U.S. Mining in 2010

Resource Type: Reports, Growth

From Twitter

#AZ recently made #copper their official state metal. Check out our infographic on copper's incredible qualities! ow.ly/L2ebg
13h

The American #Mineral Security Act of 2015 would spur economic growth & #tech innovation in America. Learn more: ow.ly/L2h7a
17h

Copper is officially #AZ's state metal! Learn how a group of 4th graders made it happen: ow.ly/KYGvc via @TucsonStar
30 Mar

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