@misc{indiciaee80b85978d84,
  title = {Digital generalized geologic map of the Iron Hill, Colorado, alkaline rock complex},
  author = {T. L. Bowers},
  year = {1995},
  doi = {10.3133/ofr95232},
  url = {https://pubs.usgs.gov/publication/ofr95232},
  note = {Source identifier: ofr95232}
}