@misc{indiciaeb7a13a24e877,
  title = {Phosphorus loading to McGrath and Ellis ponds, Kennebec County, Maine},
  author = {Wallace J. Nichols and J.W. Sowles and J.J. Lobao},
  year = {1984},
  doi = {10.3133/wri844177},
  url = {https://pubs.usgs.gov/publication/wri844177},
  note = {Source identifier: wri844177}
}