@misc{indiciae3b87cc72df62,
  title = {Gold Veins near Great Falls, Maryland},
  author = {John Calvin Reed and John C. Reed},
  year = {1969},
  doi = {10.3133/b1286},
  url = {https://pubs.usgs.gov/publication/b1286},
  note = {Source identifier: b1286}
}