@misc{indiciae87659f80e4c6,
  title = {Cross section B-B' of Upper Cretaceous and lower Tertiary rocks, northern Piceance Creek basin, Colorado},
  author = {R. C. Johnson},
  year = {1979},
  doi = {10.3133/mf1129b},
  url = {https://pubs.usgs.gov/publication/mf1129B},
  note = {Source identifier: mf1129B}
}