@misc{indiciae468edfcc2e1b,
  title = {Evaluation of nutrient quality-assurance data for Alexanders and Mount Rock Spring basins, Cumberland County, Pennsylvania},
  author = {E. C. Witt and D. J. Hippe and R.M. Giovannitti},
  year = {1992},
  doi = {10.3133/ofr92165},
  url = {https://pubs.usgs.gov/publication/ofr92165},
  note = {Source identifier: ofr92165}
}