@misc{indiciaea1ca38012ae1, title = {Limited nitrate retention capacity in the Upper Mississippi River}, author = {Luke C. Loken and John T. Crawford and Mark M. Dornblaser and Robert G. Striegl and Jeffrey N. Houser and Peter A Turner and Emily H. Stanley}, year = {2018}, doi = {10.1088/1748-9326/aacd51}, url = {https://pubs.usgs.gov/publication/70216332}, note = {Source identifier: 70216332} }