@misc{indiciaea5ac68ff9222,
  title = {Catalogue and index of the publications of the United States Geological Survey, 1901 to 1903},
  author = {Philip Creveling Warman},
  year = {1903},
  doi = {10.3133/b215},
  url = {https://pubs.usgs.gov/publication/b215},
  note = {Source identifier: b215}
}