Dimethyl Sufoxide D.M.S.O, 1954-1960

File — Box: 12, Folder: 6

Staff Only

Scope and Contents

From the Collection: The Calumet Mining and Refining Company records contain correspondence, memoranda, plant blueprints and flow charts, mining equipment brochures, research materials (such as articles, reports and news clippings), maps, and ledgers. Also included are some personal materials of Corwin H. Likins who held several authoritative positions both with the Combined Metals Reduction Company and the Calumet Mining and Refining Company. Much of the content of this collection also pertains to the Combined Metals Reduction Company.

Dates

1954-1960

Conditions Governing Access

Twenty-four hour advanced notice encouraged. Materials must be used on-site. Access to parts of this collection may be restricted under provisions of state or federal law.