@misc{indiciaec33c9113b298,
  title = {Geologic map of Gunnison Gorge National Conservation Area, Delta and Montrose Counties, Colorado},
  author = {Karl S. Kellogg and Wallace R. Hansen and Karen S. Tucker and D. Paco VanSistine},
  year = {2004},
  doi = {10.3133/sim2825},
  url = {https://pubs.usgs.gov/publication/sim2825},
  note = {Source identifier: sim2825}
}