Browse TRAIL Inventories

Estimate of known recoverable reserves of coking coal in Clearfield County, Pa.

Laboratory cleaning trials on a Pennsylvania anthracite in a baum-type jig and a dense-medium pilot plant

Carbonizing properties of Westmoreland County, Pa., coals

Carbonizing properties of coals from Elk, Clarion, Jefferson, Clearfield, and Centre Counties, Pa.

Preparation characteristics of coal from Beaver and Lawrence counties, Pa.


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