@misc{indiciae1b4346188114,
  title = {Map showing approximate density of houses in the Evergreen Quadrangle, Jefferson County, Colorado},
  author = {Bruce Bryant and J. C. Reed},
  year = {1972},
  doi = {10.3133/i786d},
  url = {https://pubs.usgs.gov/publication/i786D},
  note = {Source identifier: i786D}
}