@misc{indiciae8bb36ca22afc,
  title = {Preliminary report on the ground-water resources of the Anyang Chon Basin, Korea, 1967},
  author = {J.T. Callahan},
  year = {1968},
  doi = {10.3133/ofr6831},
  url = {https://pubs.usgs.gov/publication/ofr6831},
  note = {Source identifier: ofr6831}
}