@misc{indiciaec1f2ab2ae8b2,
  title = {Hydrology of area 41, Western Region, Interior Coal Province, Oklahoma and Arkansas},
  author = {M.V. Marcher and D. L. Bergman and L. J. Slack and S. P. Blumer},
  year = {1987},
  doi = {10.3133/ofr84129},
  url = {https://pubs.usgs.gov/publication/ofr84129},
  note = {Source identifier: ofr84129}
}