@misc{indiciaed433d2c26087,
  title = {Major geochemical processes related to the hydrology of the Madison aquifer system and associated rocks in parts of Montana, South Dakota, and Wyoming},
  author = {J.F. Busby and R. W. Lee and B.B. Hanshaw},
  year = {1983},
  doi = {10.3133/wri834093},
  url = {https://pubs.usgs.gov/publication/wri834093},
  note = {Source identifier: wri834093}
}