@misc{indiciaefc7321dd5f6d,
  title = {Map showing ground-water potential in the Aspen Quadrangle, Pitkin County, Colorado},
  author = {Bruce Bryant},
  year = {1972},
  doi = {10.3133/i785b},
  url = {https://pubs.usgs.gov/publication/i785B},
  note = {Source identifier: i785B}
}