@misc{indiciaec40afd8fc2f6,
  title = {Ultramafic rocks of the Eagle quadrangle, east-central Alaska},
  author = {Helen L. Foster and Terry E.C. Keith},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70156496},
  note = {Source identifier: 70156496}
}