An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
 Image Number D1327-1 |
ARS agricultural engineer Kevin King (right) and soil scientist Jim Balogh, of Spectrum Research, Inc., inspect a filter cartridge system being evaluated at a golf course tile drainage site. The cartridge system was donated by cooperating industry Kristar Enterprises, Inc.
Photo by Spectrum Research, Inc.
