chemical dealers / food production / thick web / natural systems / farm equipment / basic water quality law / crop protection products / food / energy / /
NaturalFeature
Des Moines River / Chesapeake Bay / Lake Erie / Mexico / /
Organization
Congress / Iowa State University / Environmental Protection Agency / Senate / /
Person
McCarthy / Branstad / Northey / Karl Brooks / /
Position
Governor / Director Gipp / Administrator / Secretary / /