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- Progress reports - metallurgical division.
- Concentration of manganese ores from Gila, Greenlee, and Graham counties, Ariz.
- Concentration of gravity tailings from the Grasselli deposit, Park City, Utah
- Concentration of oxide and silicate manganese ores from Siskiyou and Mendocino Counties, Northern California
- Concentration of oxide manganese ores from northeastern Nevada (Caviglia-Vietti, Berning, and Reed-Parker deposits)
- Electrochemical recovery of high-purity nickel and cobalt from crude nickel and ferronickel
- Recovery of precious metals from electronic scrap
- Aqueous reduction of chalcopyrite concentrate with metals
- Prompt copper recovery from mine strip waste