@misc{indiciaed5f916c7fd16,
  title = {Model analysis of the impact on ground-water conditions of the Muskegon County wastewater disposal system, Michigan},
  author = {Michael G. McDonald and William B. Fleck},
  year = {1978},
  doi = {10.3133/ofr7899},
  url = {https://pubs.usgs.gov/publication/ofr7899},
  note = {Source identifier: ofr7899}
}