The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive
information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website
and that any information you provide is encrypted and transmitted securely.
Summary of Monitoring Findings for Fiscal Year 2001
Figures| Figure 22. | Estimated mean density of fingernail clams (Sphaeriidae; number m-2) by study area, weighted by area of strata from 1993 to 2001, Upper Mississippi River System. |
 |
|
