Biological, chemical and physical properties of Town Run, Clarion County, Pennsylvania ; a stream influenced by bituminous strip mine drainage, 190 - 01 - 04 - LD1017 .C8133 1978 W6, Volume: Archives LD1017 .C8133 1978 W6; Volume: Carlson Library Level A Main Quarto Collection TD420 .W6. Clarion University Archives. http://buoy1.klnpa.org/repositories/2/resources/353 Accessed April 28, 2025.