Pictured Rocks National Lakeshore

The red, tan, and gray colors give the Pictured Rocks their name.

NPS

Incredible rock formations, northern hardwood forests, the Grand Sable Dunes, and hidden waterfalls make Pictured Rocks a destination.

Start your journey with a resource brief or report to see what we're learning about the nature of Pictured Rocks.

Resource Briefs

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 3451 (results presented are a subset). To search for additional information, visit the Data Store.

Reports

These technical reports are produced by network staff and other scientists working at Pictured Rocks. Lots of information, lots of fascinating discoveries.

Source: Data Store Saved Search 3452 (results presented are a subset). To search for additional information, visit the Data Store.

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 Pictured Rocks.

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