@misc{indiciaed0f2afb1e16c,
  title = {The Shinumo quadrangle, Grand Canyon district, Arizona},
  author = {Levi Fatzinger Noble},
  year = {1914},
  doi = {10.3133/b549},
  url = {https://pubs.usgs.gov/publication/b549},
  note = {Source identifier: b549}
}