@misc{indiciaeac8090cd60c8,
  title = {Eastern Siberia terrain intelligence},
  author = {U.S. Geological Survey Military Geology Branch},
  year = {1942},
  doi = {10.3133/70157218},
  url = {https://pubs.usgs.gov/publication/70157218},
  note = {Source identifier: 70157218}
}