@misc{indiciaef7c06afc03cf,
  title = {Interpolating water-table altitudes in west-central Kansas using kriging techniques},
  author = {Lloyd E. Dunlap and Joseph M. Spinazola},
  year = {1981},
  doi = {10.3133/ofr811062},
  url = {https://pubs.usgs.gov/publication/ofr811062},
  note = {Source identifier: ofr811062}
}