@misc{indiciaebf8cf9a49bbf,
  title = {Overview of groundwater quality in the Piceance Basin, western Colorado, 1946--2009},
  author = {J.C. Thomas and P.B. McMahon},
  year = {2013},
  doi = {10.3133/sir20125198},
  url = {https://pubs.usgs.gov/publication/sir20125198},
  note = {Source identifier: sir20125198}
}