Box 300
Contains 55 Results:
Experimental Work Jigging Oversize from Steam Stamp at Champion Mill No. 6 Head (drawer 6 envelope no. 140), 1905
Subseries II consists primarily of engineering records from the Copper Range Company's mines and mills, as well as building and equipment contracts, proposals, and specifications.
General Tailings Reports (monthly): Baltic Mill, Mar 1909-Dec 1916
Subseries II consists primarily of engineering records from the Copper Range Company's mines and mills, as well as building and equipment contracts, proposals, and specifications.
General Tailings Reports (monthly): Baltic, Champion, and Trimountain Mills, Feb 1907-Dec 1908
Subseries II consists primarily of engineering records from the Copper Range Company's mines and mills, as well as building and equipment contracts, proposals, and specifications.
General Tailings Reports (monthly): Champion Mill, Feb 1909-Dec 1916
Subseries II consists primarily of engineering records from the Copper Range Company's mines and mills, as well as building and equipment contracts, proposals, and specifications.
General Tailings Reports (monthly): Trimountain Mill, Jan 1910-Jul 1913
Subseries II consists primarily of engineering records from the Copper Range Company's mines and mills, as well as building and equipment contracts, proposals, and specifications.