"Logging residue available for mine-timber production. "; "Timson, Floyd G."; "Lumbering--United States--By-products."; "Timson, Floyd G."; "1978"; "Serial issue. Issued as: United States. Department of Agriculture. Forest Service. Northeastern Forest Experiment Station. Forest Service research paper, NE-415 (1978). "; ""; "P15136"; "pec"; "Lumbering--United States--By-products."; "14256"; .