@misc{indiciaeb81994696cb0,
  title = {Map showing distribution of metamorphic rocks in the Survey Pass Quadrangle, Brooks Range, Alaska},
  author = {S.W. Nelson and D. J. Grybeck},
  year = {1981},
  doi = {10.3133/mf1176c},
  url = {https://pubs.usgs.gov/publication/mf1176C},
  note = {Source identifier: mf1176C}
}