Carbonizing Properties and Petrographic Composition of Thick Freeport-Bed Coal From Harmar Mine, Harmarville, Allegheny County, pa., and the Effect of Blending This Coal with Pocahontas no.3

and no.4-Bed Coals.
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  • English
by
s.n , S.l
SeriesTechnical paper (United States. Bureau of Mines) -- 655
ContributionsDavis, J., Reynolds, D., Sprunk, G.
ID Numbers
Open LibraryOL21735139M

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