Favorite this☆ Superior engine at Calumet and Hecla Mining Company Description: 4700 HP Superior engine. Handwritten on mat back: "Calumet & Hecla Mines, Superior engine, largest in the world, 494." Details Resource ID: DPA1307 Subject: Calumet and Hecla Mining Company Engines--Michigan--Calumet Mining machinery--Michigan--Calumet Albumen prints Photographic prints Date Issued: Unknown year Format: 1 photographic print on mat board ; 7.25 x 9 in. Member of: Burton Historical Collection Filing Location: M/Mines & mineral resources Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.
