@misc{indiciaee97f19c48d84,
  title = {Hydrologic analysis of the High Plains aquifer system in Box Butte County, Nebraska},
  author = {R. A. Pettijohn and Hsiu-Hsiung Chen},
  year = {1984},
  doi = {10.3133/wri844046},
  url = {https://pubs.usgs.gov/publication/wri844046},
  note = {Source identifier: wri844046}
}