@misc{indiciaef35ac07cdfd4,
  title = {Geologic map of the Platteville quadrangle, Weld County, Colorado},
  author = {Paul E. Soister},
  year = {1965},
  doi = {10.3133/gq399},
  url = {https://pubs.usgs.gov/publication/gq399},
  note = {Source identifier: gq399}
}