@misc{indiciaeb5f4226004f7,
  title = {Geology of the phosphate deposits northeast of Georgetown, Idaho},
  author = {Ralph Webster Richards and George Rogers Mansfield},
  year = {1914},
  doi = {10.3133/b577},
  url = {https://pubs.usgs.gov/publication/b577},
  note = {Source identifier: b577}
}