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4 results returnedManganese investigations -metallurgical division.
Manganese investigations -metallurgical division.
Concentration of oxide manganese ores from the vicinity of Long Valley, Coconino County, Ariz.
Pilot mill concentration of Las Vegas wash manganese ore, Boulder City, Nev.
Published Year
Subject
- Ore-dressing (4) *
- Manganese ores--Arizona--Coconino County--Metallurgy (1)
- Manganese ores--Nevada--Boulder City (1)
- Manganese ores--Nevada--Las Vegas Wash (1)
- Manganese ores--Utah--Drum Mountain district (1)
Author
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