@misc{indiciae885a7cbf2efe,
  title = {Statistical summaries of elemental constituents in streambed-sediments in the lower Kansas River basin; Nebraska, Kansas, and Missouri},
  author = {Jean L. Ryder and R. F. Sanzolone},
  year = {1989},
  doi = {10.3133/ofr89110},
  url = {https://pubs.usgs.gov/publication/ofr89110},
  note = {Source identifier: ofr89110}
}