@misc{indiciae68b42fca866c,
  title = {Bedrock geologic map showing thickness of overlying Quaternary deposits, Grand Island Quadrangle, Nebraska and Kansas},
  author = {V. H. Dreeszen and E.C. Reed and R.R. Burchett and G.E. Prichard},
  year = {1973},
  doi = {10.3133/i819},
  url = {https://pubs.usgs.gov/publication/i819},
  note = {Source identifier: i819}
}