@misc{indiciae3554c4984468, title = {Seasonality of nitrate sources and isotopic composition in the Upper Illinois River}, author = {Jiajia Lin and J.K. Bohlke and Sheng Huang and Miquel Gonzalez-Meler and Neil C. Sturchio}, year = {2019}, doi = {10.1016/j.jhydrol.2018.11.043}, url = {https://pubs.usgs.gov/publication/70201221}, note = {Source identifier: 70201221} }