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Chilean firm signs on with Nokomis mining project south of Ely |...
www.duluthnewstribune.com
Marty Vadis of the Lands and Minerals division of the Minnesota Department of Natural Resources said Duluth Metals has been drilling on a ...
Influential Minnesota mining researcher to retire | Duluth News...
www.duluthnewstribune.com
... of Minnesota in trying to understand our mineral resources and how to process them," said Marty Vadis, director of the Minnesota Department ...
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