@misc{indiciae029fe67022da,
  title = {Geologic map of the Mount Jackson quadrangle and the eastern part of the Crooked Creek Pass Quadrangle, Eagle County, Colorado},
  author = {A. R. Wallace and M. J. Blaskowski},
  year = {1989},
  doi = {10.3133/i1909},
  url = {https://pubs.usgs.gov/publication/i1909},
  note = {Source identifier: i1909}
}