Variability of Nitrate Loading and Determination of Monitoring Frequency for a Shallow Sandy Aquifer, Arena, Wisconsin Open-file report; contains unpublished data that has not yet been peer-reviewed. Groundwater Data and Resources WOFR1998-09 Variability of Nitrate Loading and Determination of Monitoring Frequency for a Shallow Sandy Aquifer, Arena, Wisconsin Muldoon, M.A.; Madison, F.W.; Lowery, B.; 1998 Report: 26 p. Download ZIP WOFR1998-09-DI Variability of Nitrate Loading and Determination of Monitoring Frequency for a Shallow Sandy Aquifer, Arena, Wisconsin [appendix] Muldoon, M.A.; Madison, F.W.; Lowery, B.; 1998 Data: Plain text file Download Related Collections Open-File Report View Open-File Report