@misc{indiciaeebd0a5380157,
  title = {Preliminary geologic map of the Moqui SE quadrangle, Montezuma County, Colorado},
  author = {E. B. Ekren and F. N. Houser},
  year = {1959},
  doi = {10.3133/mf221},
  url = {https://pubs.usgs.gov/publication/mf221},
  note = {Source identifier: mf221}
}