@misc{indiciae12260b3480bb, title = {Changes in nutrient and pesticide concentrations in urban and agricultural areas of the South Platte River Basin, Colorado, Wyoming, and Nebraska, 1994–2000}, author = {Lori A. Sprague and Adrienne I. Greve}, year = {2003}, doi = {10.3133/wri024270}, url = {https://pubs.usgs.gov/publication/wri024270}, note = {Source identifier: wri024270} }