@misc{indiciae3587b9c783d5,
  title = {Descriptive and grade-tonnage models for distal disseminated Ag-Au deposits; a supplement to U.S. Geological Survey bulletin 1693},
  author = {D. P. Cox and D.A. Singer},
  year = {1990},
  doi = {10.3133/ofr90282},
  url = {https://pubs.usgs.gov/publication/ofr90282},
  note = {Source identifier: ofr90282}
}