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Published November 25, 2013, 12:00 AM

Laura Erickson teaches a class about naturally occurring radioactive material


Laura Erickson, an oil industry consultant and owner of Plains Energy Technical Resources, teaches a class on Nov. 14 in Stanley about naturally occurring radioactive material. (Amy Dalrymple, Forum News Service)
Read the article: Radioactive waste comes to the surface in western N.D.