@misc{indiciae94a916473936,
  title = {Geologic map of the Hudson quadrangle, Weld and Adams Counties, Colorado},
  author = {Paul E. Soister},
  year = {1965},
  doi = {10.3133/gq398},
  url = {https://pubs.usgs.gov/publication/gq398},
  note = {Source identifier: gq398}
}