Groundwater Quality Investigation Maps of Polk County, Wisconsin
Includes Plate 1: Nitrate as Nitrogen in mg/L. Plate 2: Chloride in mg/L. Plate 3: Laboratory Measurement of Alkalinity in mg/L. Plate 4: Total Hardness in mg/L. Plate 5: Laboratory Measurement of Electrical Conductivity in μmhos/cm. Plate 6: Ferrous Iron in mg/L.
