"Mollusks of the Cheat River Watershed of West Virginia and Pennsylvania, with comments on present distributions."; "Schwartz, Frank J.", "Meredith, William Glenn, 1933-"; "Mollusks--Cheat River Watershed (W. Va. and Pa.)", "Mollusks--West Virginia.", "Mollusks--Pennsylvania."; "Schwartz, Frank J.", "Meredith, William Glenn, 1933-"; "1962"; "Journal article reprint from: The Ohio Journal of Science, 62:4 (1962:July)."; ""; "P7778"; "pec"; "Mollusks--West Virginia.", "Mollusks--Cheat River Watershed (W. Va. and Pa.)", "Mollusks--Pennsylvania."; "14256"; .