"Elements in coal ash and their industrial significance."; "Headlee, A. J. W. (Alvah John Washington), 1902-"; "Coal--West Virginia--Analysis.", "Coal ash.", "Combustion."; "Headlee, A. J. W. (Alvah John Washington), 1902-"; "1953"; "

Journal article reprint from: Industrial and Engineering Chemistry, v.45 (1953:Mar.)

"; ""; "P1069"; "pec"; "Combustion.", "Coal ash.", "Coal--West Virginia--Analysis."; "14256"; .