@misc{indiciae9eb08a1f9f39,
  title = {Have nitrate concentrations changed in water in the alluvial aquifer of the upper Black Squirrel Creek Basin since 1984?},
  author = {Daniel L. Brendle},
  year = {1997},
  doi = {10.3133/fs07297},
  url = {https://pubs.usgs.gov/publication/fs07297},
  note = {Source identifier: fs07297}
}