Box 291
Contains 30 Results:
Champion Mill: Blueprints for Subaeration Machine (Minerals Separation North American Corporation) (folder no. 2), 1931
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mill: Blueprints for Subaeration Machine (Minerals Separation North American Corporation) (folder no. 3), 1931
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mill: Blueprints for Subaeration Machine (Minerals Separation North American Corporation) (folder no. 4), 1931
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mine: Drill Machines Inventory, circa Mar 1931
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mine: F Compressor, 1903-1943
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mine: Fuse, 1940-1941
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mine: Hoist Drum No. 3, 1941
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mine: Mining Methods and Costs (includes blueprints), 1931-1932
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Champion Mine: William Conibear's (Cleveland-Cliffs Iron Company) Safety Inspection, 1930
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.
Coal Consumption at No. 3 and 4 Steam Plants, 1928-1937
This subseries contains equipment records, correspondence, violations of rules and grievances, maps, and drawings. Records relate primarily to the Champion Mine, but some Champion Mill material is also included.