@misc{indiciaed24fc5af2504,
  title = {Environmental factors used to subdivide the western Lake Michigan drainages into relatively homogeneous units for water-quality site selection},
  author = {Dale M. Robertson and David A. Saad},
  year = {1995},
  doi = {10.3133/fs22095},
  url = {https://pubs.usgs.gov/publication/fs22095},
  note = {Source identifier: fs22095}
}