Isaac Orr & Rookies discuss how mining could add $3.4B to the Minnesota economy, equivalent to hosting 9 Super Bowls a year, for 20 years (6.4.18, 3 min.)

Isaac Orr & Rookies discuss how mining could add $3.4 B to the Minnesota economy, equivalent to hosting 9 Super Bowls a year, for 20 years (6.4.18, 3 min.)