Dot gov

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.

Https

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.

Upper Midwest Environmental Sciences Center

Upper Mississippi River Restoration Program

Upper Mississippi River Restoration Program: Habitat Needs Assessment

HNA summary report 2000