James Grace Fellow
![Image: James Grace Fellow](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/JamesGrace_NR2014_08_11.jpg?itok=mstPk4og)
Detailed Description
USGS scientist James Grace has executed research in complex ecosystems throughout the United States, and is shown here in Rocky Mountain National Park studying human impacts on wetlands.
Sources/Usage
Public Domain.