Application of an index of biotic integrity to western Pennsylvania streams, 190 - 01 - 04 - LD1017 .C8133 1999 S35, Volume: Archives LD1017 .C8133 1999 S35. Clarion University Archives.
Application of an index of biotic integrity to western Pennsylvania streams, 190 - 01 - 04 - LD1017 .C8133 1999 S35, Volume: Archives LD1017 .C8133 1999 S35. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/447 Accessed December 16, 2025.