Friability of Alabama coals

Author: Hertzog, Ellis S.
Additional Authors: Cudworth, James R.
Year: 1938
Document Type: BMRA
Issuing Agency: United States Bureau of Mines,
SUDOC: I 28.23:3384
Series: Report of investigations / United States. Bureau of Mines ;
Report Number: 3384
Subject: Coal--Alabama
Link: https://hdl.handle.net/2027/mdp.39015078491472

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