@misc{indiciaed6c186690ea1,
  title = {The Moorcroft oil field, Crook County, Wyoming. Possibilities of oil in the Big Muddy dome, Converse and Natrona Counties, Wyoming},
  author = {V. H. Barnett},
  year = {1915},
  doi = {10.3133/b581c},
  url = {https://pubs.usgs.gov/publication/b581C},
  note = {Source identifier: b581C}
}