@misc{indiciaee7d04cd7516f,
  title = {Reconnaissance of the geology and ground-water resources of the Pumpkin Creek area, Morrill and Banner Counties, Nebraska, with a section on the chemical quality of the water},
  author = {H. M. Babcock and F. N. Visher and W. H. Durum},
  year = {1952},
  doi = {10.3133/cir156},
  url = {https://pubs.usgs.gov/publication/cir156},
  note = {Source identifier: cir156}
}