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Evaluation of coal-mining impacts using numerical classification of benthic invertebrate data from streams draining a heavily mined basin in eastern Tennessee

Compilation of Correspondence and Statistical Data from the Records and Files of the Department of the Interior in Relation to Coal Lands in the Indian Territory

The Acreage and Approximate Value Thereof, the Thickness of the Various Veins of Coal, Etc. March 27, 1906, to June 30, 1906

12,647 10,128 4,360 - 14,488 18 Folsom,Morris Coal Mining Co., The .......... . .
34,362 4. 727 3,122 7.849 $3 }Gr8l1l Western C00.l and Coke C0., The ........ ..
196. 978 97,579 106.668 . 204,247 21 I1aile.v,W. E ...

Batubara dan pemanfaatannya

pengantar teknologi batubara menuju lingkungan bersih

Coal processing and pollution control in Indonesia.

Coal processing and pollution control in Indonesia.