@misc{indiciae7ff18188d243, title = {Occurrence of selected pesticides and their metabolites in near-surface aquifers of the midwestern United States}, author = {D.W. Kolpin and Thurman E. Michael and D. A. Goolsby}, year = {1995}, doi = {10.1021/es950462q}, url = {https://pubs.usgs.gov/publication/70018834}, note = {Source identifier: 70018834} }