@misc{indiciaeec2264298c20,
  title = {Ground-water flow and quality near the Upper Great Lakes connecting channels, Michigan},
  author = {J.L. Gillespie and D.H. Dumouchelle},
  year = {1989},
  doi = {10.3133/wri884232},
  url = {https://pubs.usgs.gov/publication/wri884232},
  note = {Source identifier: wri884232}
}