@misc{indiciae91f5a4e43b72,
  title = {Directory of local assistance centers of the National Water Data Exchange (NAWDEX)},
  author = {Melvin D. Edwards},
  year = {1979},
  doi = {10.3133/ofr79423},
  url = {https://pubs.usgs.gov/publication/ofr79423},
  note = {Source identifier: ofr79423}
}