Image Number D308-1 |
In Columbus, Ohio, technician Ginny Roberts and agricultural engineer Kevin King take notes on a sample of water discharged from agricultural drainage pipes.
Photo by Peggy Greb.
Image Number D308-1 |
In Columbus, Ohio, technician Ginny Roberts and agricultural engineer Kevin King take notes on a sample of water discharged from agricultural drainage pipes.
Photo by Peggy Greb.