@misc{indiciae0e432c5ebe43, title = {Nitrate retention in riparian ground water at natural and elevated nitrate levels in North Central Minnesota}, author = {J.H. Duff and A. P. Jackman and F.J. Triska and R.W. Sheibley and R.J. Avanzino}, year = {2007}, doi = {10.2134/jeq2006.0019}, url = {https://pubs.usgs.gov/publication/70031897}, note = {Source identifier: 70031897} }