@misc{indiciaeba763317aa92,
  title = {Geologic map of the Nederland quadrangle, Boulder and Gilpin counties, Colorado},
  author = {Dolores J. Gable},
  year = {1969},
  doi = {10.3133/gq833},
  url = {https://pubs.usgs.gov/publication/gq833},
  note = {Source identifier: gq833}
}