@misc{indiciae91f572016975, title = {Sources and transformations of nitrate from streams draining varying land uses: Evidence from dual isotope analysis}, author = {Douglas A. Burns and E.W. Boyer and E.M. Elliott and C. Kendall}, year = {2009}, doi = {10.2134/jeq2008.0371}, url = {https://pubs.usgs.gov/publication/70034925}, note = {Source identifier: 70034925} }