@misc{indiciae419975521660,
  title = {Map showing artificial fills in the greater Denver area, Colorado, exclusive of engineered embankments},
  author = {Lisa Ann McBroome and Wallace R. Hansen},
  year = {1978},
  doi = {10.3133/ofr78878},
  url = {https://pubs.usgs.gov/publication/ofr78878},
  note = {Source identifier: ofr78878}
}