Identifying Critical NPS Contributing Watershed Areas (p. 247)
Gross Erosion Rates, Sediment Yields, and Nutrient Yields for Lake Erie Tributaries: Implications for Targeting (p. 251)
Watershed Water Quality Programs: Lessons Learned in Illinois (p. 256)
Prairie Rose Lake Rural Clean Water Program Project (p. 259)
Agricultural Sources of Nitrate Contamination in a Shallow Sand and Gravel Aquifer in Eastern South Dakota (p. 264)
US Enivironmental Protection Agency, "Agricultural Issues: Midwestern Experience" (1985). Government Documents. 64.