| http://www.w3.org/ns/prov#value | - Joining the Cleveland-Cliffs Iron Company in Ishpeming, Michigan in 1963, Ron progressed through positions in technology and operations and management, including manager of Research and Development, plant manager, and manager of Central Services.In the early 1970s he was part of a small management team responsible for the design, start-up, and operation of the Tilden Mine Plant near Ishpeming, an
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