@misc{indiciae3ac0afc5c89b,
  title = {Directory of local assistance centers of the National Water Data Exchange (NAWDEX)},
  author = {Melvin D. Edwards},
  year = {1977},
  doi = {10.3133/ofr76880},
  url = {https://pubs.usgs.gov/publication/ofr76880},
  note = {Source identifier: ofr76880}
}