Page Banner

United States Department of Agriculture

Agricultural Research Service

Download a high-resolution (300dpi) digital image

{short description of image}

Image Number K8721-3

Technician Jeff Nichols collects a water sample from the Walnut Creek watershed in Ames, Iowa. Samples are collected weekly form this area and surrounding watersheds to study the effects farming practices have on water quality.

Photo by Keith Weller.

640 pixels wide: (k8721-3.jpg)

Please visit our Image Gallery

Last Modified: 8/13/2016
Footer Content Back to Top of Page