For more than 30 years, the Ion Mining Association of Minnesota (IMA) has promoted a healthy iron ore industry that will continue to benefit the entire state. The IMA aims to share the positive impacts and innovations of the industry which contributes $4 billion to the state's ecomony each year, promote high-quality STEM careers in mining, and support responsible iron ore mining by representing and collaborating with the thosands of Minnesota iron mine workers, stakeholders and companies across the state that directl or indirectly support the industry.