@misc{indiciaebb1f4472a5e3,
  title = {Preliminary geologic map of the west central part of the Burdock Quadrangle, Fall River County, South Dakota},
  author = {R. W. Schnabel and L.J. Charlesworth},
  year = {1957},
  doi = {10.3133/tem1058},
  url = {https://pubs.usgs.gov/publication/tem1058},
  note = {Source identifier: tem1058}
}