@misc{indiciaeb87c314233a1,
  title = {Helium concentrations in soil gas of the Ely and Delta 1° x 2° quadrangles, Basin and Range Province},
  author = {G.M. Reimer and C.G. Bowles},
  year = {1983},
  doi = {10.3133/ofr83589},
  url = {https://pubs.usgs.gov/publication/ofr83589},
  note = {Source identifier: ofr83589}
}