@misc{indiciae9a1fad971ecc,
  title = {Deep learning detection and recognition of spot elevations on historic topographic maps},
  author = {Samantha T. Arundel and Trenton P. Morgan and Philip T. Thiem},
  year = {2022},
  doi = {10.3389/fenvs.2022.804155},
  url = {https://pubs.usgs.gov/publication/70229393},
  note = {Source identifier: 70229393}
}