Browse TRAIL Inventories

Grinding and classification.

Re-treatment of mother lode (California) carbonaceous slime tailings

Accidents at metallurgical works in the United States :during the calendar year 1928

Re-treatment of mother lode carbonaceous slime tails

Grinding and classification.

Concentration tests on tailings from the washing plants on the Mesabi Range, Minnesota

Milling methods at the Midvale concentrator of the U.S. Smelting, Refining & Mining Co., Midvale, Utah

Treating a complex ore :data from experimental work on ores in the Denver laboratories of the Complex ores recovery co.

Accidents at metallurgical works in the United States :during the calendar year 1929

Concentration of the rake discharge from a bowl classifier in a washing plant of the Mesabi Range, Minnesoda

Milling methods and costs at the lead concentrator of the Hecla Mining Co., Gem, Idaho

Accidents at metallurgical works in the United States :during the calendar year 1930

Statistical microscopic examination of mill products of the Copper Queen concentrator, of the Phelps Dodge Corporation, Bisbee, Ariz.

Accidents at metallurgical works in the United States :during the calendar year 1931

Accidents at metallurgical works in the United States during the calendar year 1932

Progress report - metallurgical division.

Summary of ore-mining cost data

The flotation of Alabama graphite ores

Lead and zinc mining and milling in the United States :current practices and costs

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

Progress reports - metallurgical division.

Progress reports - metallurgical division.

Progress reports - metallurgical division.

Beneficiation of spodumene by decrepitation

Ball-mill grindability indexes of some American coals

Progress reports - metallurgical division.

Primary crushing :progress report no. 1

Primary crushing :progress report no. 2

Progress reports - metallurgical division.

Primary crushing :progress report no. 3

Mining and milling methods and costs at the Tennessee-Schuylkill Corporation mine, Chloride, Ariz.

Progress reports :metallurgical division.


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