Distribution of sulfur and ash in part of Pittsburgh seam and probable mode of deposition

Author: Gomez, Manuel,
Additional Authors: Kent, Bion H., Donaven, Donald J.,
Year: 1974
Document Type: BMRA
Issuing Agency: U.S. Bureau of Mines,
SUDOC: I 28.23:7827
Series: Report of investigations / Bureau of Mines ;
Report Number: 7827
Subject: Coal--Pennsylvania--Analysis
Link: https://hdl.handle.net/2027/mdp.39015078538819

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