Page Banner

United States Department of Agriculture

Agricultural Research Service


Download a high-resolution (300dpi) digital image here.

 Image Number D1533-6

Soil scientist Ardell Halvorson (foreground) and technician Mary Smith prepare field samples for gas chromatograph analysis of carbon dioxide and methane.

 

Photo by Stephen Ausmus.


640 pixels wide: (d1533-6.jpg)




Please visit our Image Gallery

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