@misc{indiciaefd86010907fa,
  title = {Contributions to economic geology, 1920, Part I, Metals and nonmetals except fuels--Phosphate rock near Maxville, Granite County, Montana},
  author = {J. T. Pardee},
  year = {1921},
  doi = {10.3133/b715j},
  url = {https://pubs.usgs.gov/publication/b715J},
  note = {Source identifier: b715J}
}