@misc{indiciae260c5e36258e,
  title = {Sedimentary features of the Blackhawk Formation (Cretaceous) in the Sunnyside District, Carbon County, Utah},
  author = {John O. Maberry},
  year = {1971},
  doi = {10.3133/pp688},
  url = {https://pubs.usgs.gov/publication/pp688},
  note = {Source identifier: pp688}
}