Search Results - LeVan, H. P. (Herbert P.)

Extraction of manganese from Georgia umber ore by a sulfuric acid-ferrous sulfate process (in two parts). by LeVan, H. P. (Herbert P.)

Manganese extraction studies using ferrous sulfate and pickle liquor / by LeVan, H. P. (Herbert P.)

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Differential sulfatization of a Georgia manganiferous iron ore / by LeVan, H. P. (Herbert P.)

Extraction of manganese from Georgia umber ores by a sulfuric acid-ferrous sulfate process (in two parts). by LeVan, H. P. (Herbert P.)

Search for the full-text version of this title in HathiTrust