Comparison of brook trout (Salvelinus fontinalis) populations between a stream located inside the coalfields of Jefferson County, Pennsylvania, Lick Run, and one located outside the coalfields, Church Run, Crawford County, Pennsylvania, 190 - 01 - 04 - LD1017 .C8133 1992 C3, Volume: Archives LD1017 .C8133 1992 C3; Volume: Carlson Library Level A Main Quarto Collection QL638.S2 C3. Clarion University Archives.

Comparison of brook trout (Salvelinus fontinalis) populations between a stream located inside the coalfields of Jefferson County, Pennsylvania, Lick Run, and one located outside the coalfields, Church Run, Crawford County, Pennsylvania, 190 - 01 - 04 - LD1017 .C8133 1992 C3, Volume: Archives LD1017 .C8133 1992 C3; Volume: Carlson Library Level A Main Quarto Collection QL638.S2 C3. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/409 Accessed December 26, 2025.