@misc{indiciaeb998d6f799d9,
  title = {Geology of the Altoona quadrangle, Kansas},
  author = {Holly Clyde Wagner},
  year = {1961},
  doi = {10.3133/gq149},
  url = {https://pubs.usgs.gov/publication/gq149},
  note = {Source identifier: gq149}
}