@misc{indiciae8fdd2b6fe0f8,
  title = {Unedited stratigraphic sections of the Pierre Shale near Round Butte and Buckeye in Larimer County, northern Colorado},
  author = {James R. Gill and William A. Cobban and Glenn R. Scott and Robert E. Burkholder},
  year = {1975},
  doi = {10.3133/ofr75129},
  url = {https://pubs.usgs.gov/publication/ofr75129},
  note = {Source identifier: ofr75129}
}