@misc{indiciaeb3a2e64b0ce0,
  title = {Tracking acid mine-drainage in Southeast Arizona using GIS and sediment delivery models},
  author = {L.M. Norman and F. Gray and D.P. Guertin and C. Wissler and J. D. Bliss},
  year = {2007},
  doi = {10.1007/s10661-007-0024-5},
  url = {https://pubs.usgs.gov/publication/70000560},
  note = {Source identifier: 70000560}
}