TY - GEN AU - Barnhardt, Michael L. AU - Mehnert, Edward AU - Ray, Chitaranjan AU - Schock, Susan C. TI - Characterization of the study areas for the pilot study; agricultural chemicals in rural private wells in Illinois U1 - 551.48 CY - US PB - Illinois State Geological Survey, USA KW - Hydrology KW - Watershed management KW - Natural resources KW - Farming systems KW - Agriculture KW - Water conservation KW - Rural development KW - Wells KW - Chemicals KW - Groundwater KW - Illinois N1 - Cooperative Groundwater Report; Illinois State Water Survey (ISWS); 980428; M ER -