31.   Prosecutors say state investigators then boarded the barge and found evidence that ADM dumped coal dust, fertilizer residue and other pollutants into the river.

32.   Suggestions that there might be some coal dust figuratively buried under his fingernails are undercut by his image as a stuffy if robust aesthete.

33.   The camera lingers on corpses, on pale, barely living faces, on the oozy, diseased eyes of a child injured from working with coal dust.

34.   The industry contends cigarette smoking is at least as much of a factor as coal dust in black lung.

35.   There, a bit of coal dust could insinuate itself into lung tissue, potentially leading to a stiffening of the lungs called fibrosis.

36.   Thirty-seven years later, the war still rages with victory as elusive as coal dust in the wind.

37.   Virtually every town was begrimed by coal dust and despair.

38.   We notice our hair and clothes are flecked by coal dust.

39.   A container ship carrying coal dust sank in the Black Sea early Saturday after colliding head on with another ship in heavy fog, the coast guard said.

40.   Blackwater is a mix of coal dust, dirt and rock.