@misc{indiciaee334f3ce0310,
  title = {Bedrock geologic map showing thickness of overlying Quaternary deposits, Lincoln Quadrangle and part of Nebraska City Quadrangle, Nebraska and Kansas},
  author = {R.R. Burchett and V. H. Dreeszen and E.C. Reed and G.E. Prichard},
  year = {1972},
  doi = {10.3133/i729},
  url = {https://pubs.usgs.gov/publication/i729},
  note = {Source identifier: i729}
}