1 S.S. Papadopulos and Associates Inc., 505 N. Pine St., Williamsfield, IL, 61489.
2 Department of Geology, University of Kansas, 1420 Naismith Drive, Lawrence, KS, 66045.
3 Department of Geology and Geological Engineering, Colorado School of Mines, Integrated GroundWater Modeling Center, 1500 Illinois St, Golden, CO, 80401.
4 School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, China.