@misc{indiciae37d0c88a680f,
  title = {Filchner Ice Shelf, Antarctica; satellite image map, 1973-74},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1984},
  doi = {10.3133/ofr84307},
  url = {https://pubs.usgs.gov/publication/ofr84307},
  note = {Source identifier: ofr84307}
}