@misc{indiciae0029d4ce901f,
  title = {Geochemical and lead-isotopic studies of river sediment from major tributaries, upper Arkansas River watershed, Colorado},
  author = {S. E. Church and David L. Fey and Daniel M. Unruh},
  year = {2000},
  doi = {10.3133/ofr00337},
  url = {https://pubs.usgs.gov/publication/ofr00337},
  note = {Source identifier: ofr00337}
}