Rio Grande in Big Bend National Park repeat photography from about 1945 and 2008 showing channel narrowing
![Repeat photography from about 1945 (top panel) and 2008 (bottom panel) showing channel narrowing over time](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Repeat%20Photo%20-%202%20panels.png?itok=sT-MuXWF)
Detailed Description
Repeat photography from about 1945 (top panel) and 2008 (bottom panel) showing channel narrowing over time in a portion of the Rio Grande in Big Bend National Park.
Sources/Usage
Public Domain.