@misc{indiciae61535e6f6d2c,
  title = {The Alaska Mineral Resource Assessment Program: Background information to accompany folio of geologic and mineral resource maps of the Circle quadrangle, Alaska},
  author = {Helen Laura Foster and W. D. Menzie and J. W. Cady and S. L. Simpson and J. N. Aleinikoff and Frederic H. Wilson and R. B. Tripp},
  year = {1987},
  doi = {10.3133/cir986},
  url = {https://pubs.usgs.gov/publication/cir986},
  note = {Source identifier: cir986}
}