Browse TRAIL Inventories

Ball-mill grindability indexes of some American coals

Preparation tests of lignite from a deposit near Toledo, Lewis County, Wash.

Washability characteristics and washing of coals from the Matanuska field of Alaska

Cleaning characteristics and cleaning tests of Montana coal

The role of viscosity in dense-medium coal cleaning

Operating results with the feldspar fine-coal jig

Cleaning trials on subbituminous coal containing bentonitic clay from Lewis and Thurston Counties, Wash.

Performance of a screw-type, classifier-cyclone combination :a laboratory evaluation

Evaluation of washery performance

Use of a sieve bend and a scalping deck with a vibrating screen in dewatering and draining dense medium from fine coal


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