@misc{indiciae3f4638674e3a,
  title = {Stratigraphy of the Upper Cretaceous Mancos Shale (upper part) and Mesaverde Group in the southern part of the Uinta and Piceance basins, Utah and Colorado},
  author = {R. D. Hettinger and M.A. Kirschbaum},
  year = {2002},
  doi = {10.3133/i2764},
  url = {https://pubs.usgs.gov/publication/i2764},
  note = {Source identifier: i2764}
}