Herbicide was applied by helicopter to control saltcedar
![Herbicide was applied by helicopter to control saltcedar in a 12-km reach of the Rio Puerco in 2003.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/RioPuerco2003KirkVincent.jpg?itok=oew_19Zy)
Detailed Description
Herbicide was applied by helicopter to control saltcedar in a 12-km reach of the Rio Puerco in 2003. A flood in 2006 caused substantial erosion in the spray zone. This photo was taken in October 2006 by Kirk Vincent, USGS. Gray stems left of the channel are dead saltcedar.