@misc{indiciae21d7678fd838,
  title = {Grove Karl Gilbert; explorer and scientist},
  author = {H.L. Burstyn},
  year = {1984},
  doi = {10.3133/ofr8437},
  url = {https://pubs.usgs.gov/publication/ofr8437},
  note = {Source identifier: ofr8437}
}