@misc{indiciae605a5de22fe6,
  title = {Micromineralogy of galena ores, Burgin mine, East Tintic district, Utah},
  author = {A. S. Radtke and C.M. Taylor and H. T. Morris},
  year = {1969},
  doi = {10.3133/pp614a},
  url = {https://pubs.usgs.gov/publication/pp614A},
  note = {Source identifier: pp614A}
}