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- Production of manganese slags for manufacturing high-grade ferromanganese by blowing oxidation spiegeleisen
- Formation of dithionate and sulfate in the oxidation of sulfur dioxide by manganese dioxide and air
- Investigation of Alabama manganese deposits, Calhoun, Cherokee, and Cleburne counties, Ala.
- The Three Kids manganese deposit Clark County, Nev. :exploration, mining, and processing
- Chloridization of Maine manganese ore :preliminary batch-fluidization tests on Maple Mountain-Hovey Mountain samples
- Pilot-plant flotation of manganese ore from the Maggie Canyon deposit, Artillery Mountains Region, Mohave County, Ariz.
- Percolation leaching of manganese ores with sulfur dioxide