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Browsing College of Agriculture by Subject "Manganese ores"

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Utilization of Low Grade Alabama Manganese Ores 

Basore, Cleburne Ammen; Eiland, E. M. (1935)
The object of this investigation was to find a general and profitable method for the purification and concentration of low grade Alabama manganese ores, which had little, if any, value in their present form. The various ...