@misc{indiciae9864532bf39f,
  title = {Effects of residential wastewater treatment systems on ground-water quality in west-central Jefferson County, Colorado},
  author = {Dennis C. Hall and D. E. Hillier and Edward Nickum and W.G. Dorrance},
  year = {1981},
  doi = {10.3133/ofr8173},
  url = {https://pubs.usgs.gov/publication/ofr8173},
  note = {Source identifier: ofr8173}
}