@misc{indiciae86a6a26a33b6,
  title = {Environmental geology of the Front Range urban corridor and vicinity, Colorado, with a section on physical properties and performance characteristics of surficial deposits and rock units in the Greater Denver area},
  author = {Wallace R. Hansen and Eleanor J. Crosby and R. R. Shroba},
  year = {1982},
  doi = {10.3133/pp1230},
  url = {https://pubs.usgs.gov/publication/pp1230},
  note = {Source identifier: pp1230}
}