USGS research on sand dunes at Grand Falls
![USGS research on sand dunes at Grand Falls](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Astro_Pic.1.jpg?itok=sfBWTlRS)
Detailed Description
Grand Falls Dune site in 2010. Pic.2. Grand Falls Dune site in 2010. Notice the dune size difference. Photo Credit: Rosalyn Hayward, volunteer at USGS ASC.
Sources/Usage
Public Domain.