@misc{indiciae33f780b10bdd,
  title = {Map showing relative permeability of rocks and surficial deposits of the Aspen Quadrangle, Pitkin County, Colorado},
  author = {Bruce Bryant},
  year = {1972},
  doi = {10.3133/i785f},
  url = {https://pubs.usgs.gov/publication/i785F},
  note = {Source identifier: i785F}
}