@misc{indiciae3536977c0e84,
  title = {Annotated Bibliography of USGS Technical Letters-NASA on Remote Sensing Investigations through June 1967},
  author = {William Douglas Carter},
  year = {1969},
  doi = {10.3133/ofr6934},
  url = {https://pubs.usgs.gov/publication/ofr6934},
  note = {Source identifier: ofr6934}
}