@misc{indiciae259da2682606,
  title = {Geology and ground water in the Platte-Republican Rivers watershed and the Little Blue River basin above Angus, Nebraska, with a section on chemical quality of the ground water},
  author = {C. R. Johnson and Robert Brennan},
  year = {1960},
  doi = {10.3133/wsp1489},
  url = {https://pubs.usgs.gov/publication/wsp1489},
  note = {Source identifier: wsp1489}
}