Dragonfly Mercury Project public participants collect samples at Rocky Mountain National Park
By Communications and Publishing
2017 (approx.)
![Dragonfly Mercury Project public participants collect samples at Rocky Mountain National Park](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/ROMO%202017%20%283%29%20Credit_NPS-J.%20Peters.jpg?itok=bEiEkNAf)
Detailed Description
Dragonfly Mercury Project public participants collect dragonfly larvae samples at Rocky Mountain National Park.
Sources/Usage
Public Domain.
Credit: NPS