@misc{indiciae6f3766b51892,
  title = {Design of a ground-water level observation network},
  author = {N.C. Matalas and Martin Jacobs},
  year = {1976},
  doi = {10.3133/ofr76165},
  url = {https://pubs.usgs.gov/publication/ofr76165},
  note = {Source identifier: ofr76165}
}