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- Concentration of manganese ores from Gila, Greenlee, and Graham counties, Ariz.
- Arizona manganese-silver ores
- Concentration of oxide manganese ores from the Havasu Lake District, California and Arizona
- Beneficiation of oxide manganese and manganese-silver ores from southern Arizona,
- Mining investigations of manganese deposits in the Maggie Canyon area, Artillery Mountains region, Mohave County, Ariz.
- Manganese deposits of western Arizona
- Manganese deposits of eastern Arizona
- Sintering and smelting manganese concentrates from Maggie Canyon ore, Artillery Mountains area, Ariz.