@misc{indiciaebea6729e6ff0,
  title = {A water-quality assessment of the Upper Big Blue River Watershed, Rush and Henry Counties, Indiana},
  author = {M. A. Ayers},
  year = {1975},
  doi = {10.3133/ofr75513},
  url = {https://pubs.usgs.gov/publication/ofr75513},
  note = {Source identifier: ofr75513}
}