Cliffs has been a leader in iron ore mining technology for more than 160 years.  Our engineering and technical staffs are engaged in full-time technical support of our operations and improvement of existing products. 

Our fully-equipped research and development facility in Michigan supports our global operations through geological interpretation, process mineralogy, mine engineering, mineral processing, and many other analytical service disciplines.  Our research and development group is also utilized by our customers for laboratory testing and simulation of blast furnace conditions.