Water, sediment, and nutrient transport from a drained topographical depression within an agricultural field in North-Central Iowa. Image Date Issued 2010-09 Author Roth, Jason L. Main Topic Agricultural Drainage
Drought of 1988 Image Date Issued 1989 Main Topic Surface Water Water Restoration & Protection Water Policy
Plowing New Ground: Using Economic Incentives to Control Water Pollution from Agriculture. with Executive Summary Date Issued 1994 Author Young, Terry F. Congdon, Chelsea H. Main Topic Water Conveyance & Hydraulics Water Monitoring & Assessment
