@misc{indiciae4f0cf2020ead,
  title = {Preserved filamentous microbial biosignatures in the Brick Flat gossan, Iron Mountain, California},
  author = {Amy J. Williams and Dawn Y. Sumner and Charles N. Alpers and Suniti Karunatillake and Beda A Hofmann},
  year = {2015},
  doi = {10.1089/ast.2014.1235},
  url = {https://pubs.usgs.gov/publication/70159890},
  note = {Source identifier: 70159890}
}