@misc{indiciaeebe0aeede146,
  title = {Contributions to economic geology, 1908, Part I, Metals and nonmetals except fuels--Asphalt},
  author = {Robert Anderson and J. A. Taff},
  year = {1909},
  doi = {10.3133/b380h},
  url = {https://pubs.usgs.gov/publication/b380H},
  note = {Source identifier: b380H}
}