@misc{indiciae6f0652b99313,
  title = {Michigan ground-water quality},
  author = {D.H. Dumouchelle and T. R. Cummings and G.R. Klepper},
  year = {1987},
  doi = {10.3133/ofr87732},
  url = {https://pubs.usgs.gov/publication/ofr87732},
  note = {Source identifier: ofr87732}
}