Browse TRAIL Inventories

Investigation of low-grade and complex ores in Colorado

Milling methods in the tri-state zinc district

Proposed method for reducing mineral waste in the Wisconsin zinc district, Wisconsin

Preliminary ore dressing tests to recover manganese in rhodochrosite ores.

Milling methods and costs at a Flat River (Mo.) mill

Review of fine grinding in ore concentrators

Concentration of the potash ores of Carlsbad, New Mexico, by ore dressing methods

Differential grinding of Alabama iron ores for gravity concentration

Contrasts in grinding characteristics of mineral products

Periodic pincer to control flow of wet ore pulp through an orifice

Precision jigging as a substitute for laboratory sink-float

Performance of a hydraulic classifier designed to incorporate four hitherto neglected principles

Classification and tabling of Birmingham (Ala.) red iron ores, with recommendations for added recovery

Improved laboratory concentration table

Continuous hydraulic classification :constitution of the teeter column throughout its depth

Rapid specific-gravity method for estimating the iron content of Birmingham, Ala., red ores

Mineral-Dressing Characteristics of the Red Iron Ores of Birmingham, Alabama


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