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.
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.
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)
Last updated: October 4, 2023