@misc{indiciae8ceb45ccf4cf,
  title = {Geographic research in the U.S. Geological Survey; bibliography, 1966-1980},
  author = {Mary E. Graziani},
  year = {1982},
  doi = {10.3133/cir865},
  url = {https://pubs.usgs.gov/publication/cir865},
  note = {Source identifier: cir865}
}