@misc{indiciae7331a743605a,
  title = {Geohydrology of the shallow aquifers in the Denver metropolitan area, Colorado},
  author = {Stanley G. Robson},
  year = {1996},
  doi = {10.3133/ha736},
  url = {https://pubs.usgs.gov/publication/ha736},
  note = {Source identifier: ha736}
}