@misc{indiciae98b40eb0c7bc,
  title = {Potentiometric surface of the Black Creek Aquifer in the central coastal plain of North Carolina, December 1986},
  author = {William L. Lyke and M. D. Winner and Allen Richard Brockman},
  year = {1989},
  doi = {10.3133/wri874233},
  url = {https://pubs.usgs.gov/publication/wri874233},
  note = {Source identifier: wri874233}
}