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- Tri-state zinc-lead ore reserves
- Investigation of the Oronogo-Webb City-Duenweg zinc-lead district, Jasper County, Mo.
- Beneficiating a complex sulfide-oxide lead-zinc ore from Missouri
- Electrorefining Missouri low-antimony lead bullion
- Continuous flotation testing to recover cobalt from Missouri lead ores
- Continuous flotation testing to recover a bulk sulfide concentrate from Missouri lead ore tailings