@misc{indiciaeb0e25b5a232c,
  title = {Oblique map of Yosemite National Park, central Sierra Nevada, California},
  author = {T. R. Alpha and N.K. Huber and Clyde Wahrhaftig},
  year = {1987},
  doi = {10.3133/i1776},
  url = {https://pubs.usgs.gov/publication/i1776},
  note = {Source identifier: i1776}
}