@misc{indiciae302bc6f05937,
  title = {Areal variation of suspended-sediment yields within and adjacent to the coal fields of the eastern coal province and the eastern region of the interior coal province},
  author = {R. Edward Hickman},
  year = {1990},
  doi = {10.3133/ha717},
  url = {https://pubs.usgs.gov/publication/ha717},
  note = {Source identifier: ha717}
}