@misc{indiciaef3d7079e4895,
  title = {Linear-traverse surveys of helium and radon in soil gas as a guide for uranium exploration, central Weld County, Colorado},
  author = {G. Michael Reimer and R.S. Rice},
  year = {1977},
  doi = {10.3133/ofr77589},
  url = {https://pubs.usgs.gov/publication/ofr77589},
  note = {Source identifier: ofr77589}
}