@misc{indiciae93c926fac0f5,
  title = {Construction materials in Decatur County, Kansas},
  author = {Frank E. Byrne and Henry V. Beck and Charles H. Bearman and Claude W. Matthews},
  year = {1950},
  doi = {10.3133/cir40},
  url = {https://pubs.usgs.gov/publication/cir40},
  note = {Source identifier: cir40}
}