@misc{indiciae4d44a75227d9,
  title = {Construction materials in Ellis County, Kansas},
  author = {F.E. Byrne and H.V. Beck and M.S. Houston},
  year = {1948},
  doi = {10.3133/ofr4815b},
  url = {https://pubs.usgs.gov/publication/ofr4815B},
  note = {Source identifier: ofr4815B}
}