@misc{indiciaed3c1732b6178,
  title = {Geology of the Edgemont NE quadrangle, Fall River and Custer Counties, South Dakota},
  author = {Garland Bayard Gott and Robert W. Schnabel},
  year = {1963},
  doi = {10.3133/b1063e},
  url = {https://pubs.usgs.gov/publication/b1063E},
  note = {Source identifier: b1063E}
}