@misc{indiciae8a6acef76ccb,
  title = {Ice free valleys, Victoria Land, Antarctica; topographic map, 1962},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1984},
  doi = {10.3133/ofr84303},
  url = {https://pubs.usgs.gov/publication/ofr84303},
  note = {Source identifier: ofr84303}
}