@misc{indiciae1321e97f9089,
  title = {North Carolina ground-water quality},
  author = {G. L. Giese and R.R. Mason and A.G. Strickland and M.C. Bailey},
  year = {1987},
  doi = {10.3133/ofr87743},
  url = {https://pubs.usgs.gov/publication/ofr87743},
  note = {Source identifier: ofr87743}
}