@misc{indiciaed787240d2a3f,
  title = {Water-quality effects and characterization of indicators of onsite wastewater disposal systems in the east-central Black Hills area, South Dakota, 2006-08},
  author = {Larry D. Putnam and Galen K. Hoogestraat and J. Foster Sawyer},
  year = {2008},
  doi = {10.3133/sir20085232},
  url = {https://pubs.usgs.gov/publication/sir20085232},
  note = {Source identifier: sir20085232}
}