@misc{indiciae982cc7923dce,
  title = {Map showing inferred relative permeability of geologic materials in the Parker quadrangle, Arapahoe and Douglas Counties, Colorado},
  author = {J. O. Maberry},
  year = {1972},
  doi = {10.3133/i770i},
  url = {https://pubs.usgs.gov/publication/i770I},
  note = {Source identifier: i770I}
}