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- Concentration of Utah fluorite ores
- Concentration of Lake Valley mines oxide manganese ores from Deming, N. Mex.
- Concentration of miscellaneous oxide manganese ores from Yavapai, Yuma, Maricopa, and Mohave counties, Ariz.
- Concentration of Richmond Hill oxide manganese ore from Lead, Lawrence County, S. Dak.
- Concentration of oxide manganese ores from Columbia and Elberta mining districts, Tooele and Juab counties, Utah :(Wildcat, Sharp, and Aeronaut no. 1 properties)