@misc{indiciae9638042b88ec,
  title = {Sketches of Yosemite National Park, California, from Glacier Point, Sentinel Dome, and Mt. Hoffmann},
  author = {T. R. Alpha},
  year = {1987},
  doi = {10.3133/mf1888},
  url = {https://pubs.usgs.gov/publication/mf1888},
  note = {Source identifier: mf1888}
}