@misc{indiciae194d386e6c4e, title = {Temporal trends in water-quality constituent concentrations and annual loads of chemical constituents in Michigan watersheds, 1998–2013}, author = {Christopher J. Hoard and Lisa R. Fogarty and Joseph W. Duris}, year = {2018}, doi = {10.3133/sir20175147}, url = {https://pubs.usgs.gov/publication/sir20175147}, note = {Source identifier: sir20175147} }