In-state companies encouraged to use Minnesota-mined minerals A resolution introduced by an Iron Range legislator in the Minnesota House of Representatives calls on Minnesota technology and medical companies to utilize Minnesota-mined minerals when manufacturing products. âWhat we need starts with us mining the critical minerals in northeastern Minnesota,â Rep. Spencer Igo, R-Grand Rapids, said of his HC 6 resolution. âIt (the resolution) encourages Minnesota businesses to innovate and work with the mining companies to field and produce their products here.â Northeastern M...