Hydrogeologic and Water-Quality Data Used to Evaluate the Effects of Focused Recharge on Ground-Water Quality Near Princeton, Minnesota, 1991-95 Image Date Issued 1997 Author Delin, G.N. Landon, M.K. Nelson, K.J. Wanty, R.B. Healy, R.W. Olsen, H.W. Bohlke, J.K. Schroyer, B.R. Capel, P.D. Main Topic Groundwater Water Quality & Pollutants Hydrology