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...

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...

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...

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...

Scope and Contents This folder includes a report written by C.H. Likins entitled, "Heap Leach Unit for Copper Ores at Contact Nevada."

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...

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...

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...

Scope and Contents This folder also contains reports entitled, "General Fuel Products Company Resin Coal, Salina Canyon, Sevier County, Utah," 1941 and "Coal Resin United States Fuel Company, Hiawatha, Utah."