Herbert S Garn

• Effects of lawn fertilizer on nutrient concentration in runoff from lakeshore lawns, Lauderdale Lakes, Wisconsin
• Seasonal changes in ground-water levels in the shallow aquifer near Hagerman and the Pecos River, Chaves County, New Mexico
• Surface-water quality-assurance plan for the Wisconsin District of the U.S. Geological Survey, Water Resources Division
• Water quality and benthic macroinvertebrate bioassessment of Gallinas Creek, San Miguel County, New Mexico, 1987-90
• Why study lakes?