MINNEAPOLIS (WCCO) — Before making a decision on a new Iron Range mine, Gov. Mark Dayton is seeing the best and worst of other operations.

PolyMet wants to open the state’s first copper-nickel mine near the Boundary Waters Canoe Area.

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Dayton toured the Eagle Mine in Michigan Friday. Supporters say the mine has effective environmental protections in place.

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The governor was in South Dakota earlier this week to look at an abandoned gold mine that has caused extensive environmental damage.

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The new mine could potentially add 350 new jobs and 600 more supporting jobs in surrounding communities.