@misc{indiciaeea39a6136f2b, title = {Differences in results of analyses of concurrent and split stream-water samples collected and analyzed by the US Geological Survey and the Illinois Environmental Protection Agency, 1985-91}, author = {Charles S. Melching and R.H. Coupe}, year = {1995}, doi = {10.3133/wri944141}, url = {https://pubs.usgs.gov/publication/wri944141}, note = {Source identifier: wri944141} }