@misc{indiciae53e798c6324f,
  title = {Slope map of the Telluride Quadrangle, San Miguel, Ouray, and San Juan counties, Colorado},
  author = {Robert G. Luedke},
  year = {1995},
  doi = {10.3133/ofr9524},
  url = {https://pubs.usgs.gov/publication/ofr9524},
  note = {Source identifier: ofr9524}
}