@misc{indiciae0352eccccd7a,
  title = {Analytical results for monitored soil-gas concentrations (1991-1992) and for analyses of soil samples collected at the Kokomo Mine, Central City, Colorado},
  author = {Margaret Hinkle and B. M. Adrian and P.M. Briggs and D.L. Fey and J. M. Motooka and R. M. O’Leary and C. S. Papp},
  year = {1994},
  doi = {10.3133/ofr94289},
  url = {https://pubs.usgs.gov/publication/ofr94289},
  note = {Source identifier: ofr94289}
}