Browse TRAIL Inventories

Feldspar mining and milling :near Keene, New Hampshire

Milling methods in the tri-state zinc district

The sulphur dioxide leaching process :method for treating nonsulphide copper ores as developed at the Southwest experiment station of the Bureau of Mines

Accidents at metallurgical works in the United States :during the calendar year 1921

Accidents at metallurgical works in the United States :during the calendar year 1922

Accidents at metallurgical works in the United States :during the calendar year 1923

Accidents at metallurgical works in the United States :during the calendar year 1924

Accidents at metallurgical works in the United States :during the calendar year 1925

Hydraulic classification :its theory, mechanical development, and application to ore dressing : with a chapter on Methods of determining the densities of liquids and ore pulps

Preliminary ore dressing tests to recover manganese in rhodochrosite ores.

Accidents at metallurgical works :during the calendar year 1926

Centrifugal concentration :its theory, mechanical development and experimental results

Accidents at metallurgical works in the United States :during the calendar year 1927

Classification and tabling of difficult ores :with particular attention to fluorspar

Roasting of lead-carbonate ores preliminary to gravity concentration


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