@misc{indiciaeed38e56bbe0d,
  title = {Twenty-First annual report of the Director of the United States Geological Survey, 1899-1900: Part V - Forest reserves},
  author = {Charles D. Walcott},
  year = {1900},
  doi = {10.3133/ar21\_5},
  url = {https://pubs.usgs.gov/publication/ar21\_5},
  note = {Source identifier: ar21\_5}
}