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You searched for: Creator Personal Names Leonard, Joseph W. Remove constraint Creator Personal Names: Leonard, Joseph W. Subject Topical Coal mines and mining. Remove constraint Subject Topical: Coal mines and mining.
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1. Potential for further lowering sulfur in intensively cleaned coal at mines.

Creator Personal:
Leonard, Joseph W.
Title:
Potential for further lowering sulfur in intensively cleaned coal at mines.
Call Number:
P3968
Date:
1975
Description:
Serial issue. Issued as: West Virginia University. Coal Research Bureau. Technical report, no. 109.
Subject Topical:
Coal mines and mining., Sulfur.
All:
Coal mines and mining., Sulfur.