Mississippi National River and Recreation Area

A view of the river beyond a fence line on a bluff
The Mississippi River seen from Schaar's Bluff at Spring Lake Regional Park.

NPS

Follow this river and you are sure to find something that inspires or surprises you. It is a busy industrial front, an urban focal point, a home river, a public getaway, a prairie's edge. What might you discover?

Float on down past our resource briefs and reports to see what we're learning about this stretch of the nation's river.

Resources Briefs are condensed versions of our technical reports. They rely on graphics and images more than dense scientific writing, but anyone who is intrigued and wants to know more can always use the resource brief as an entry into the report.

Source: Data Store Saved Search 3449 (results presented are a subset). To search for additional information, visit the Data Store.

These technical reports are produced by network staff and other scientists working on the river. Lots of information, lots of fascinating discoveries.

Source: Data Store Saved Search 3450 (results presented are a subset). To search for additional information, visit the Data Store.

Published journal articles that include data collected at Mississippi NRRA.

Source: Data Store Saved Search 3585 (results presented are a subset). To search for additional information, visit the Data Store.

A collection of different sizes and shapes of dragonfly larvae. Most are brown, some are light green.

Kristofer Rolfhus/University of Wisconsin-La Crosse

Dragonfly Mercury Project

Find out the latest about mercury and dragonfly larvae at your park!

As a foundational part of the aquatic food web, dragonfly larvae we collect each summer are tested for mercury in the environment, which helps us understand mercury contamination at higher levels of the food web.

Visit the website below to find the latest "dragonflier" for the upper Mississippi River.

The Dragonfly Mercury Project Annual Data Fliers (usgs.gov)

Articles

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    Last updated: October 4, 2023