@misc{indiciaebac6edeb7bdc,
  title = {First annual report of the United States Geological Survey to the Secretary of the Interior},
  author = {Clarence King},
  year = {1880},
  doi = {10.3133/ar1},
  url = {https://pubs.usgs.gov/publication/ar1},
  note = {Source identifier: ar1}
}