Study of the effects of Polygonum Cuspidatum upon the growth and survival of selected hardwood seedlings planted on strip-mine spoil, 190 - 01 - 04 - LD1017 .C8133 1974 S5, Volume: Archives LD1017 .C8133 1974 S5; Volume: Carlson Library Level A Main Quarto Collection SD409 .S5. Clarion University Archives. http://buoy1.klnpa.org/repositories/2/resources/323 Accessed April 30, 2025.