@misc{indiciae4c84f401841c,
  title = {Lithologic analysis of the 1–2mm sand fraction},
  author = {James R. Lucas and George R. Hallberg and Karl M. Chauff and Mary Howes},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/70236553},
  note = {Source identifier: 70236553}
}