@misc{indiciae5f0baa32e74c,
  title = {Reconnaissance map showing relative amounts of soil and bedrock in the mountainous part of the Indian Hills quadrangle in Jefferson County, Colorado},
  author = {P. W. Schmidt},
  year = {1976},
  doi = {10.3133/mf741},
  url = {https://pubs.usgs.gov/publication/mf741},
  note = {Source identifier: mf741}
}