@misc{indiciae53ec166f1d14, title = {Use of real-time sensors to temporally characterize water quality in groundwater and surface water in Mason County, Illinois, 2017–19}, author = {Lance R. Gruhn and William S. Morrow}, year = {2020}, doi = {10.3133/sir20205108}, url = {https://pubs.usgs.gov/publication/sir20205108}, note = {Source identifier: sir20205108} }