@misc{indiciae6fdc2e7027dc,
  title = {The hydrogeologic framework and a reconnaissance of ground-water quality in the Piedmont Province of North Carolina, with a design for future study},
  author = {Douglas Harned},
  year = {1989},
  doi = {10.3133/wri884130},
  url = {https://pubs.usgs.gov/publication/wri884130},
  note = {Source identifier: wri884130}
}