@misc{indiciae77b32e712c15,
  title = {Operational guidelines for assistance centers of the National Water Data Exchange},
  author = {Melvin D. Edwards and Gerald L. Thompson},
  year = {1980},
  doi = {10.3133/ofr801196},
  url = {https://pubs.usgs.gov/publication/ofr801196},
  note = {Source identifier: ofr801196}
}