@misc{indiciaeac2459782cd0,
  title = {Studying the Earth from space},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1981},
  doi = {10.3133/70039567},
  url = {https://pubs.usgs.gov/publication/70039567},
  note = {Source identifier: 70039567}
}