The Michigamme Mine was discovered in 1872 by Jacob Houghton. The Michigamme Company was organized in the fall of 1870 with corporate offices in Chicago, IL. The officers of the company were William Barnum, president; James Rood, secretary and treasurer; and Jacob Houghton, as superintendent. Mine operations were started in seven open pits numbered 1 through 7 following the strike of the ore body and in 1874 the mine started underground mining. The Michigamme Mine operated from 1872 to 1901 when it was permanently closed, although iron ore was shipped from the mine site from existing stockpiles and from processed iron ore from waste piles through 1905. In 1889 Mather & Co. purchased the Michigamme Mine; Mather later merged into the Cleveland Cliffs Iron Company.
From the description of Michigamme Mine Analyses, 1878-1888. (Michigan Technological University). WorldCat record id: 714124171
