@misc{indiciaefb5e152d328b,
  title = {Sapphirine in Precambrian rocks associated with stratabound sulfide deposits, Custer County, Colorado},
  author = {William H. Raymond and Peter A. Leiggi and Douglas M. Sheridan},
  year = {1980},
  doi = {10.3133/b1513},
  url = {https://pubs.usgs.gov/publication/b1513},
  note = {Source identifier: b1513}
}