Effects of a hydrogen sulfide effluent on the macroinvertebrate life in a single riffle of the North Fork, 190 - 01 - 04 - LD1017 .C8133 1975 A4, Volume: Archives LD1017 .C8133 1975 A4; Volume: Carlson Library Level A Main Quarto Collection QH96 .A4. Clarion University Archives. http://buoy1.klnpa.org/repositories/2/resources/325 Accessed April 28, 2025.