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RI081

Publication Title: 
Determination of ash in coals unusually high in calcite and pyrite
Publication Type: 
Report of Investigations
Author: 
O. W. Rees, W. A. Selvig, in cooperation with the U.S. Department of Interior, Bureau of Mines
Year: 
1942
Price: 
Out of print
Download: 
Report of Investigations 81

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