@misc{indiciae0e3d7315ccb7,
  title = {Lead isotopic analyses of selected soil samples from the USEPA Vasquez Blvd.-I-70 study area, Denver, CO},
  author = {D.M. Unruh},
  year = {2002},
  doi = {10.3133/ofr02321},
  url = {https://pubs.usgs.gov/publication/ofr02321},
  note = {Source identifier: ofr02321}
}