Revision History for Fact Sheet 2011-3114

Stephen D. Preston, Richard B. Alexander, and Michael D. Woodside

Regional Assessments of the Nation's Water Quality--
Improved Understanding of Stream Nutrient Sources Through 
Enhanced Modeling Capabilities

Posted online October 7, 2011
Revised and reposted October 14, 2011

Page 2. Figure 2. The explanation should read: Incremental yield--In percentage due to geologic material

Page 3. The values in the explanation for point sources, urban areas, and fertilizer should read: 0 to 30, 30 to 60, 60 to 90, 90 to 120, >120