@misc{indiciaea3533a9ae72b,
  title = {Altitude of basement surface in the central coastal plain area of North Carolina},
  author = {William L. Lyke and M. D. Winner},
  year = {1986},
  doi = {10.3133/wri864082},
  url = {https://pubs.usgs.gov/publication/wri864082},
  note = {Source identifier: wri864082}
}