@misc{indiciaed7c90157b146,
  title = {Slope map of the Evergreen Quadrangle, Jefferson County, Colorado},
  author = {P. W. Schmidt},
  year = {1972},
  doi = {10.3133/i786c},
  url = {https://pubs.usgs.gov/publication/i786C},
  note = {Source identifier: i786C}
}