Upper Midwest Environmental Sciences Center

Summary of Monitoring Findings for Fiscal Year 2002: Figure 17
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Summary of Monitoring Findings for Fiscal Year 2002
Figures

Figure 17. Mean fingernail clam (Sphaeriidae) abundance from 1992 to 2002, Upper Mississippi River System.
Mean fingernail clam (Sphaeriidae) abundance from 1992 to 2002, Upper Mississippir River System.
February 5, 2004
Page Last Modified: April 17, 2018