@misc{indiciaec06b23dea190,
  title = {Preliminary geologic map of the Cortez SW quadrangle, Montezuma County, Colorado (NGMDB)},
  author = {E. B. Ekren and F. N. Houser},
  year = {1958},
  doi = {10.3133/tem1101},
  url = {https://pubs.usgs.gov/publication/tem1101},
  note = {Source identifier: tem1101}
}