@misc{indiciae6a7b5ff94402,
  title = {Plan of study for the High Plains regional aquifer-system analysis in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming},
  author = {John B. Weeks},
  year = {1978},
  doi = {10.3133/wri7870},
  url = {https://pubs.usgs.gov/publication/wri7870},
  note = {Source identifier: wri7870}
}