@misc{indiciae1b7efd5c33cf,
  title = {Glacial reconnaissance of Sequoia National Park, California},
  author = {F. E. Matthes and Fritiof Fryxell},
  year = {1965},
  doi = {10.3133/pp504a},
  url = {https://pubs.usgs.gov/publication/pp504A},
  note = {Source identifier: pp504A}
}