@misc{indiciae5b0ea277cfc9,
  title = {Mineral resources of Alaska : report on progress of investigations in 1911 -- Placer mining and water supply of the Fairbanks, Circle, Fortymile, Eagle, and Seventymile River districts, Alsaka},
  author = {C.E. Ellsworth and E.A. Porter},
  year = {1912},
  doi = {10.3133/b520h},
  url = {https://pubs.usgs.gov/publication/b520H},
  note = {Source identifier: b520H}
}