TY - RPRT TI - Heavy metals in the threeridge mussel Amblema plicata plicata (Say, 1817) in the upper Mississippi River AU - T.J. Naimo AU - D. L. Waller AU - L. E. Holland Bartels PY - 1992 UR - https://pubs.usgs.gov/publication/1003132 ID - 1003132 ER -