@misc{indiciaeb74c28bc6b5f,
  title = {National Water Data Storage and Retrieval System: instructions for preparation and submission of groundwater data},
  author = {Claud H. Baker and Donald G. Foulk},
  year = {1975},
  doi = {10.3133/ofr75589},
  url = {https://pubs.usgs.gov/publication/ofr75589},
  note = {Source identifier: ofr75589}
}