@misc{indiciaebad885db9d3b,
  title = {The Maudlow and Sedan Formations of the Upper Cretaceous Livingston Group on the west edge of the Crazy Mountains basin, Montana},
  author = {Betty Skipp and Laura W. McGrew},
  year = {1977},
  doi = {10.3133/b1422b},
  url = {https://pubs.usgs.gov/publication/b1422B},
  note = {Source identifier: b1422B}
}