@misc{indiciae12dee45bf2ef,
  title = {Map showing steepness of slopes in the Jackson Quadrangle, Teton County, Wyoming},
  author = {J. D. Love and H. R. Covington},
  year = {1973},
  doi = {10.3133/i769e},
  url = {https://pubs.usgs.gov/publication/i769E},
  note = {Source identifier: i769E}
}