Google+ Mining lessons for merit badges - Minnesota Iron

Mining lessons for merit badges

By Kelly Grinsteinner, Hibbing Daily Tribune, May 14, 2015

When Geologist Frank Pezzutto asked the dozen or so Boy Scouts what gypsum crystals are used for in our everyday life, all but one stood there in Minnesota Discovery Center’s Hall of Geology baffled.

“Sheet rock,” yelled one of the scouts.

And he was right.

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