@misc{indiciae0219e29c30bf,
  title = {Ages and geologic relationships in the Willow Creek gold mining district, southwestern Talkeetna Mountains, southern Alaska},
  author = {D.J. Madden and M.L. Silberman and Anita Moore-Nall},
  year = {1987},
  doi = {10.3133/ofr87143},
  url = {https://pubs.usgs.gov/publication/ofr87143},
  note = {Source identifier: ofr87143}
}