@misc{indiciae5eff944a36a3,
  title = {Mosaic of digital raster Soviet topographic maps of Afghanistan},
  author = {Peter G. Chirico and Michael B. Warner},
  year = {2005},
  doi = {10.3133/ds131},
  url = {https://pubs.usgs.gov/publication/ds131},
  note = {Source identifier: ds131}
}