@misc{indiciaeaf0e1d9dbdb1,
  title = {Mapping from space},
  author = {Alden P. Colvocoresses},
  year = {1971},
  doi = {10.1061/jsueax.0000357},
  url = {https://pubs.usgs.gov/publication/70236456},
  note = {Source identifier: 70236456}
}