Trautmann, N.M.Porter, K.S.Wagenet, R.J.2006-12-052006-12-051985-12https://hdl.handle.net/1813/3928This fact sheet provides an overview of what groundwater is, how it moves, how it can become contaminated, and what steps can be taken to protect groundwater quality.2002116 bytesapplication/pdfen-US