@misc{indiciae25cf43bfc9dd,
  title = {Distribution of nitrate and orthophosphate in selected streams in Central Nebraska},
  author = {R.A. Boyd},
  year = {2007},
  doi = {10.1111/j.1752-1688.1996.tb03494.x},
  url = {https://pubs.usgs.gov/publication/70018718},
  note = {Source identifier: 70018718}
}