Jill D Frankforter

• Characterization of ground-water quality, Upper Republican Natural Resources District, Nebraska, 1998-2001
• Compilation of atrazine and selected herbicide data from previous surface-water-quality investigations within the Big Blue River Basin, Nebraska, 1983-92
• Potential effects of large floods on the transport of atrazine into the alluvial aquifer adjacent to the lower Platte River, Nebraska