@misc{indiciae0f991155f41a,
  title = {Twenty-Second Annual Report of the Director of the United States Geological Survey, 1900-1901: Part I - Director's report and a paper on asphalt and bituminous rock deposits},
  author = {Charles D. Walcott},
  year = {1902},
  doi = {10.3133/ar22\_1},
  url = {https://pubs.usgs.gov/publication/ar22\_1},
  note = {Source identifier: ar22\_1}
}