@misc{indiciaedd126d2d7214,
  title = {Geology and ground-water resources of the lower South Platte River valley between Hardin, Colorado, and Paxton, Nebraska: With a section on chemical quality of the ground water},
  author = {Louis Jay Bjorklund and Richmond F. Brown and H. A. Swenson},
  year = {1957},
  doi = {10.3133/wsp1378},
  url = {https://pubs.usgs.gov/publication/wsp1378},
  note = {Source identifier: wsp1378}
}