@misc{indiciaefe38f21da2ae,
  title = {Colorado ground-water quality},
  author = {G. A. Hearne and Jaye Lindner-Lunsford and Doug Cain and Kenneth R. Watts and S. G. Robson and R.L. Tobin and R.W. Teller and P. A. Schneider and M.J. Gearhart},
  year = {1987},
  doi = {10.3133/ofr87716},
  url = {https://pubs.usgs.gov/publication/ofr87716},
  note = {Source identifier: ofr87716}
}