"Coal washery wastes in West Virginia."; "Gillenwater, Lyhle E., 1922-"; "Coal washing--Environmental aspects.", "Water--Pollution--West Virginia.", "Coal preparation--Environmental aspects.", "Coal--Waste disposal--West Virginia."; "Gillenwater, Lyhle E., 1922-"; "1957"; "Journal article reprint from: Sewage and Industrial Wastes, v.23:no.7 (1957:July)."; ""; "P1512"; "pec"; "Water--Pollution--West Virginia.", "Coal--Waste disposal--West Virginia.", "Coal preparation--Environmental aspects.", "Coal washing--Environmental aspects."; "14256"; .