@misc{indiciae27b12346a13a,
  title = {Hydraulic characteristics of an underdrained irrigation circle, Muskegon County wastewater disposal system, Michigan},
  author = {M.G. McDonald},
  year = {1980},
  doi = {10.3133/ofr80773},
  url = {https://pubs.usgs.gov/publication/ofr80773},
  note = {Source identifier: ofr80773}
}