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- Beneficiating cement raw materials by agglomeration and tabling
- Flotation of Vermont talc-magnesite ores
- Ocular photocell for the rapid determination of projected area of opaque particles
- Core-drill sampling of Cuyuna-range manganiferous iron formations, Crow Wing County, Minn.
- Fatty and resin acids as collectors for iron oxides
- Flotation characteristics of goethite