Presence, Distribution, and Potential Sources of Nitrate and Selected Pesticides in the Surficia! Aquifer along the Straight River in North-Central Minnesota, 1992-93 Image Date Issued 1995 Author Ruhl, James F. Main Topic Groundwater Water Quality & Pollutants
Relation of Land Use to Nitrate in the Surficial Aquifer Along the Straight River, North-Central Minnesota, 1992-93 Image Date Issued 1996-03 Author Ruhl, J.F. Main Topic Water Quality & Pollutants Groundwater
