@misc{indiciaea7f0d34f62d0,
  title = {Reconnaissance map showing relative amounts of soil and bedrock in the Conifer quadrangle and adjoining areas to the west in Jefferson County, Colorado},
  author = {P. W. Schmidt},
  year = {1976},
  doi = {10.3133/mf770},
  url = {https://pubs.usgs.gov/publication/mf770},
  note = {Source identifier: mf770}
}