@misc{indiciaed33e8b9d126a,
  title = {Reconnaissance geologic map of the Mt. Blackburn Quadrangle, Transantarctic Mountains, Antarctica},
  author = {Edmund Stump and J.H. Smit and Stephen Self},
  year = {1985},
  doi = {10.3133/a12},
  url = {https://pubs.usgs.gov/publication/a12},
  note = {Source identifier: a12}
}